56535210 has 48 divisors (see below), whose sum is σ = 152067240. Its totient is φ = 14555520.

The previous prime is 56535197. The next prime is 56535221. The reversal of 56535210 is 1253565.

56535210 is a `hidden beast` number, since 5 + 653 + 5 + 2 + 1 + 0 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 41254929 + 15280281 = 6423^2 + 3909^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8221 + ... + 13440.

Almost surely, 2^56535210 is an apocalyptic number.

56535210 is an abundant number, since it is smaller than the sum of its proper divisors (95532030).

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

56535210 is a wasteful number, since it uses less digits than its factorization.

56535210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21703 (or 21700 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 27.

The square root of 56535210 is about 7518.9899587644. The cubic root of 56535210 is about 383.8012073263.

Adding to 56535210 its reverse (1253565), we get a palindrome (57788775).

The spelling of 56535210 in words is "fifty-six million, five hundred thirty-five thousand, two hundred ten".