51625956 has 24 divisors (see below), whose sum is σ = 121090144. Its totient is φ = 17118720.

The previous prime is 51625913. The next prime is 51625999. The reversal of 51625956 is 65952615.

It is an interprime number because it is at equal distance from previous prime (51625913) and next prime (51625999).

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, 8830 + ... + 13461.

Almost surely, 2^51625956 is an apocalyptic number.

It is an amenable number.

51625956 is an abundant number, since it is smaller than the sum of its proper divisors (69464188).

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

51625956 is a wasteful number, since it uses less digits than its factorization.

51625956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22491 (or 22489 counting only the distinct ones).

The product of its digits is 81000, while the sum is 39.

The square root of 51625956 is about 7185.1204582804. The cubic root of 51625956 is about 372.3540103259.

The spelling of 51625956 in words is "fifty-one million, six hundred twenty-five thousand, nine hundred fifty-six".