51625524 has 24 divisors (see below), whose sum is σ = 125697600. Its totient is φ = 16460224.

The previous prime is 51625513. The next prime is 51625529. The reversal of 51625524 is 42552615.

It is a junction number, because it is equal to n+sod(n) for n = 51625491 and 51625500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51625529) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93249 + ... + 93800.

It is an arithmetic number, because the mean of its divisors is an integer number (5237400).

Almost surely, 2^51625524 is an apocalyptic number.

It is an amenable number.

51625524 is an abundant number, since it is smaller than the sum of its proper divisors (74072076).

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

51625524 is a wasteful number, since it uses less digits than its factorization.

51625524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187079 (or 187077 counting only the distinct ones).

The product of its digits is 12000, while the sum is 30.

The square root of 51625524 is about 7185.0903960911. The cubic root of 51625524 is about 372.3529717180.

The spelling of 51625524 in words is "fifty-one million, six hundred twenty-five thousand, five hundred twenty-four".