57622404 has 48 divisors (see below), whose sum is σ = 155781248. Its totient is φ = 16236288.

The previous prime is 57622387. The next prime is 57622441. The reversal of 57622404 is 40422675.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1434 + ... + 10830.

Almost surely, 2^57622404 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 57622404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77890624).

57622404 is an abundant number, since it is smaller than the sum of its proper divisors (98158844).

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

57622404 is a wasteful number, since it uses less digits than its factorization.

57622404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9484 (or 9482 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 30.

The square root of 57622404 is about 7590.9422340049. The cubic root of 57622404 is about 386.2458187040.

The spelling of 57622404 in words is "fifty-seven million, six hundred twenty-two thousand, four hundred four".