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53025386766 = 231117191247433
BaseRepresentation
bin110001011000100011…
…110011000100001110
312001212102121202001120
4301120203303010032
51332043444334031
640205354021410
73555006231222
oct613043630416
9161772552046
1053025386766
11205404a29a0
12a33a117866
1350007a2501
1427d0464782
1515a52a0a96
hexc588f310e

53025386766 has 64 divisors (see below), whose sum is σ = 123138994176. Its totient is φ = 15043865600.

The previous prime is 53025386759. The next prime is 53025386767. The reversal of 53025386766 is 66768352035.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53025386767) 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, 90586 + ... + 338018.

It is an arithmetic number, because the mean of its divisors is an integer number (1924046784).

Almost surely, 253025386766 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53025386766, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61569497088).

53025386766 is an abundant number, since it is smaller than the sum of its proper divisors (70113607410).

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

53025386766 is a wasteful number, since it uses less digits than its factorization.

53025386766 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247657.

The product of its (nonzero) digits is 5443200, while the sum is 51.

The spelling of 53025386766 in words is "fifty-three billion, twenty-five million, three hundred eighty-six thousand, seven hundred sixty-six".

Divisors: 1 2 3 6 11 17 22 33 34 51 66 102 187 191 374 382 561 573 1122 1146 2101 3247 4202 6303 6494 9741 12606 19482 35717 71434 107151 214302 247433 494866 742299 1484598 2721763 4206361 5443526 8165289 8412722 12619083 16330578 25238166 46269971 47259703 92539942 94519406 138809913 141779109 277619826 283558218 519856733 803414951 1039713466 1559570199 1606829902 2410244853 3119140398 4820489706 8837564461 17675128922 26512693383 53025386766