51552624 has 40 divisors (see below), whose sum is σ = 140189440. Its totient is φ = 16279488.

The previous prime is 51552593. The next prime is 51552629. The reversal of 51552624 is 42625515.

It is a junction number, because it is equal to n+sod(n) for n = 51552591 and 51552600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51552629) 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, 27352 + ... + 29175.

It is an arithmetic number, because the mean of its divisors is an integer number (3504736).

Almost surely, 2^51552624 is an apocalyptic number.

It is an amenable number.

51552624 is an abundant number, since it is smaller than the sum of its proper divisors (88636816).

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

51552624 is a wasteful number, since it uses less digits than its factorization.

51552624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56557 (or 56551 counting only the distinct ones).

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

The square root of 51552624 is about 7180.0155988688. The cubic root of 51552624 is about 372.1776235799.

The spelling of 51552624 in words is "fifty-one million, five hundred fifty-two thousand, six hundred twenty-four".