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55641652 = 221119231113
BaseRepresentation
bin1101010001000…
…0011000110100
310212200212222221
43110100120310
5103221013102
65304332124
71243642363
oct324203064
9125625887
1055641652
1129454440
1216774044
13b6b2271
1475657da
154d41637
hex3510634

55641652 has 72 divisors (see below), whose sum is σ = 116750592. Its totient is φ = 22982400.

The previous prime is 55641637. The next prime is 55641659. The reversal of 55641652 is 25614655.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55641659) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 492348 + ... + 492460.

It is an arithmetic number, because the mean of its divisors is an integer number (1621536).

Almost surely, 255641652 is an apocalyptic number.

It is an amenable number.

55641652 is an abundant number, since it is smaller than the sum of its proper divisors (61108940).

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

55641652 is a wasteful number, since it uses less digits than its factorization.

55641652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197 (or 176 counting only the distinct ones).

The product of its digits is 36000, while the sum is 34.

The square root of 55641652 is about 7459.3332141687. Note that the first 3 decimals coincide. The cubic root of 55641652 is about 381.7684241007.

The spelling of 55641652 in words is "fifty-five million, six hundred forty-one thousand, six hundred fifty-two".

Divisors: 1 2 4 11 19 22 31 38 44 62 76 113 124 209 226 341 361 418 452 589 682 722 836 1178 1243 1364 1444 2147 2356 2486 3503 3971 4294 4972 6479 7006 7942 8588 11191 12958 14012 15884 22382 23617 25916 38533 40793 44764 47234 66557 77066 81586 94468 123101 133114 154132 163172 246202 266228 448723 492404 732127 897446 1264583 1464254 1794892 2529166 2928508 5058332 13910413 27820826 55641652