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55383839004 = 2231310710493163
BaseRepresentation
bin110011100101001000…
…100101000100011100
312021221210110112022110
4303211020211010130
51401411230322004
641235403514020
74000314602244
oct634510450434
9167853415273
1055383839004
1121540807a7a
12a897b28910
1352b82a1c90
14297578ab24
15169236b589
hexce522511c

55383839004 has 96 divisors (see below), whose sum is σ = 140648659200. Its totient is φ = 16860492288.

The previous prime is 55383838973. The next prime is 55383839009. The reversal of 55383839004 is 40093838355.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55383839009) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17508327 + ... + 17511489.

It is an arithmetic number, because the mean of its divisors is an integer number (1465090200).

Almost surely, 255383839004 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55383839004, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70324329600).

55383839004 is an abundant number, since it is smaller than the sum of its proper divisors (85264820196).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55383839004 is a wasteful number, since it uses less digits than its factorization.

55383839004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4339 (or 4337 counting only the distinct ones).

The product of its (nonzero) digits is 1555200, while the sum is 48.

The spelling of 55383839004 in words is "fifty-five billion, three hundred eighty-three million, eight hundred thirty-nine thousand, four".

Divisors: 1 2 3 4 6 12 13 26 39 52 78 107 156 214 321 428 642 1049 1284 1391 2098 2782 3147 3163 4173 4196 5564 6294 6326 8346 9489 12588 12652 13637 16692 18978 27274 37956 40911 41119 54548 81822 82238 112243 123357 163644 164476 224486 246714 336729 338441 448972 493428 673458 676882 1015323 1346916 1353764 1459159 2030646 2918318 3317987 4061292 4377477 4399733 5836636 6635974 8754954 8799466 9953961 13199199 13271948 17509908 17598932 19907922 26398398 39815844 43133831 52796796 86267662 129401493 172535324 258802986 355024609 517605972 710049218 1065073827 1420098436 2130147654 4260295308 4615319917 9230639834 13845959751 18461279668 27691919502 55383839004