56520231210 has 96 divisors (see below), whose sum is σ = 152430117840. Its totient is φ = 14513071104.

The previous prime is 56520231169. The next prime is 56520231233. The reversal of 56520231210 is 1213202565.

It is a happy number.

56520231210 is a `hidden beast` number, since 5 + 652 + 0 + 2 + 3 + 1 + 2 + 1 + 0 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 25211405961 + 31308825249 = 158781^2 + 176943^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 944502 + ... + 1002558.

Almost surely, 2^56520231210 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56520231210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76215058920).

56520231210 is an abundant number, since it is smaller than the sum of its proper divisors (95909886630).

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

56520231210 is a wasteful number, since it uses less digits than its factorization.

56520231210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58472 (or 58469 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

Adding to 56520231210 its reverse (1213202565), we get a palindrome (57733433775).

The spelling of 56520231210 in words is "fifty-six billion, five hundred twenty million, two hundred thirty-one thousand, two hundred ten".