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53157404583297 = 3271944408859301
BaseRepresentation
bin11000001011000101011000…
…01101111010010110000001
320222012210112220220212012100
430011202230031322112001
523431412331033131142
6305020101411221013
714124332016516660
oct1405425415722601
9228183486825170
1053157404583297
1115a34a24092a43
125b663172a7769
13238794c892a61
14d1ab91446dd7
15622b2d068b4c
hex3058ac37a581

53157404583297 has 24 divisors (see below), whose sum is σ = 92370427348160. Its totient is φ = 28776940826400.

The previous prime is 53157404583293. The next prime is 53157404583307. The reversal of 53157404583297 is 79238540475135.

53157404583297 is a `hidden beast` number, since 5 + 3 + 1 + 5 + 7 + 40 + 4 + 583 + 2 + 9 + 7 = 666.

It is not a de Polignac number, because 53157404583297 - 22 = 53157404583293 is a prime.

It is a super-2 number, since 2×531574045832972 (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53157404583293) 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, 22204428454 + ... + 22204430847.

Almost surely, 253157404583297 is an apocalyptic number.

53157404583297 is a gapful number since it is divisible by the number (57) formed by its first and last digit.

It is an amenable number.

53157404583297 is a deficient number, since it is larger than the sum of its proper divisors (39213022764863).

53157404583297 is a wasteful number, since it uses less digits than its factorization.

53157404583297 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44408859333 (or 44408859330 counting only the distinct ones).

The product of its (nonzero) digits is 127008000, while the sum is 63.

The spelling of 53157404583297 in words is "fifty-three trillion, one hundred fifty-seven billion, four hundred four million, five hundred eighty-three thousand, two hundred ninety-seven".

Divisors: 1 3 7 9 19 21 57 63 133 171 399 1197 44408859301 133226577903 310862015107 399679733709 843768326719 932586045321 2531304980157 2797758135963 5906378287033 7593914940471 17719134861099 53157404583297