57225624 has 16 divisors (see below), whose sum is σ = 143064120. Its totient is φ = 19075200.

The previous prime is 57225617. The next prime is 57225631. The reversal of 57225624 is 42652275.

It is an interprime number because it is at equal distance from previous prime (57225617) and next prime (57225631).

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, 1192177 + ... + 1192224.

Almost surely, 2^57225624 is an apocalyptic number.

It is an amenable number.

57225624 is an abundant number, since it is smaller than the sum of its proper divisors (85838496).

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

57225624 is a wasteful number, since it uses less digits than its factorization.

57225624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2384410 (or 2384406 counting only the distinct ones).

The product of its digits is 33600, while the sum is 33.

The square root of 57225624 is about 7564.7619922903. The cubic root of 57225624 is about 385.3572306977.

Adding to 57225624 its reverse (42652275), we get a palindrome (99877899).

The spelling of 57225624 in words is "fifty-seven million, two hundred twenty-five thousand, six hundred twenty-four".