56557410 has 64 divisors (see below), whose sum is σ = 167069952. Its totient is φ = 11932416.

The previous prime is 56557399. The next prime is 56557421. The reversal of 56557410 is 1475565.

It is an interprime number because it is at equal distance from previous prime (56557399) and next prime (56557421).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7629 + ... + 13088.

It is an arithmetic number, because the mean of its divisors is an integer number (2610468).

Almost surely, 2^56557410 is an apocalyptic number.

56557410 is an abundant number, since it is smaller than the sum of its proper divisors (110512542).

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

56557410 is a wasteful number, since it uses less digits than its factorization.

56557410 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20747.

The product of its (nonzero) digits is 21000, while the sum is 33.

The square root of 56557410 is about 7520.4660759823. The cubic root of 56557410 is about 383.8514372143.

It can be divided in two parts, 565 and 57410, that added together give a palindrome (57975).

The spelling of 56557410 in words is "fifty-six million, five hundred fifty-seven thousand, four hundred ten".