51975462480 has 40 divisors (see below), whose sum is σ = 161123934432. Its totient is φ = 13860123264.

The previous prime is 51975462479. The next prime is 51975462593. The reversal of 51975462480 is 8426457915.

51975462480 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

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, 108281974 + ... + 108282453.

Almost surely, 2^51975462480 is an apocalyptic number.

It is an amenable number.

51975462480 is an abundant number, since it is smaller than the sum of its proper divisors (109148471952).

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

51975462480 is a wasteful number, since it uses less digits than its factorization.

51975462480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216564443 (or 216564437 counting only the distinct ones).

The product of its (nonzero) digits is 2419200, while the sum is 51.

The spelling of 51975462480 in words is "fifty-one billion, nine hundred seventy-five million, four hundred sixty-two thousand, four hundred eighty".