51625623260 has 12 divisors (see below), whose sum is σ = 108413808888. Its totient is φ = 20650249296.

The previous prime is 51625623221. The next prime is 51625623271. The reversal of 51625623260 is 6232652615.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1290640562 + ... + 1290640601.

It is an arithmetic number, because the mean of its divisors is an integer number (9034484074).

Almost surely, 2^51625623260 is an apocalyptic number.

It is an amenable number.

51625623260 is an abundant number, since it is smaller than the sum of its proper divisors (56788185628).

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

51625623260 is a wasteful number, since it uses less digits than its factorization.

51625623260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2581281172 (or 2581281170 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 38.

The spelling of 51625623260 in words is "fifty-one billion, six hundred twenty-five million, six hundred twenty-three thousand, two hundred sixty".