56570332 has 24 divisors (see below), whose sum is σ = 121844576. Its totient is φ = 22379328.

The previous prime is 56570309. The next prime is 56570333. The reversal of 56570332 is 23307565.

It is a junction number, because it is equal to n+sod(n) for n = 56570294 and 56570303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56570333) 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, 77343 + ... + 78070.

Almost surely, 2^56570332 is an apocalyptic number.

56570332 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

56570332 is an abundant number, since it is smaller than the sum of its proper divisors (65274244).

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

56570332 is a wasteful number, since it uses less digits than its factorization.

56570332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155437 (or 155435 counting only the distinct ones).

The product of its (nonzero) digits is 18900, while the sum is 31.

The square root of 56570332 is about 7521.3251492008. The cubic root of 56570332 is about 383.8806685774.

Adding to 56570332 its reverse (23307565), we get a palindrome (79877897).

The spelling of 56570332 in words is "fifty-six million, five hundred seventy thousand, three hundred thirty-two".