51635662496 has 48 divisors (see below), whose sum is σ = 110937623328. Its totient is φ = 23462649600.

The previous prime is 51635662451. The next prime is 51635662541. The reversal of 51635662496 is 69426653615.

It is an interprime number because it is at equal distance from previous prime (51635662451) and next prime (51635662541).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1061426 + ... + 1109006.

It is an arithmetic number, because the mean of its divisors is an integer number (2311200486).

Almost surely, 2^51635662496 is an apocalyptic number.

It is an amenable number.

51635662496 is an abundant number, since it is smaller than the sum of its proper divisors (59301960832).

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

51635662496 is a wasteful number, since it uses less digits than its factorization.

51635662496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50685 (or 50677 counting only the distinct ones).

The product of its digits is 6998400, while the sum is 53.

The spelling of 51635662496 in words is "fifty-one billion, six hundred thirty-five million, six hundred sixty-two thousand, four hundred ninety-six".