51107652975 has 24 divisors (see below), whose sum is σ = 84812138640. Its totient is φ = 27156075520.

The previous prime is 51107652931. The next prime is 51107652979. The reversal of 51107652975 is 57925670115.

It is not a de Polignac number, because 51107652975 - 2⁷ = 51107652847 is a prime.

It is a super-2 number, since 2×51107652975² (a number of 22 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51107652979) 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, 1246434 + ... + 1286783.

It is an arithmetic number, because the mean of its divisors is an integer number (3533839110).

Almost surely, 2^51107652975 is an apocalyptic number.

51107652975 is a deficient number, since it is larger than the sum of its proper divisors (33704485665).

51107652975 is a wasteful number, since it uses less digits than its factorization.

51107652975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2533499 (or 2533494 counting only the distinct ones).

The product of its (nonzero) digits is 661500, while the sum is 48.

The spelling of 51107652975 in words is "fifty-one billion, one hundred seven million, six hundred fifty-two thousand, nine hundred seventy-five".