51372522667256 has 48 divisors (see below), whose sum is σ = 113399759660040. Its totient is φ = 21751532819520.

The previous prime is 51372522667229. The next prime is 51372522667273. The reversal of 51372522667256 is 65276622527315.

It is a junction number, because it is equal to n+sod(n) for n = 51372522667195 and 51372522667204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 789439475 + ... + 789504546.

Almost surely, 2^{51372522667256} is an apocalyptic number.

51372522667256 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

51372522667256 is an abundant number, since it is smaller than the sum of its proper divisors (62027236992784).

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

51372522667256 is a wasteful number, since it uses less digits than its factorization.

51372522667256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1578944124 (or 1578944113 counting only the distinct ones).

The product of its digits is 63504000, while the sum is 59.

The spelling of 51372522667256 in words is "fifty-one trillion, three hundred seventy-two billion, five hundred twenty-two million, six hundred sixty-seven thousand, two hundred fifty-six".