56520450522 has 12 divisors (see below), whose sum is σ = 122460976170. Its totient is φ = 18840150168.

The previous prime is 56520450517. The next prime is 56520450523. The reversal of 56520450522 is 22505402565.

56520450522 is a `hidden beast` number, since 5 + 65 + 20 + 4 + 50 + 522 = 666.

It can be written as a sum of positive squares in only one way, i.e., 32554624041 + 23965826481 = 180429^2 + 154809^2 .

It is a super-2 number, since 2×56520450522² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (56520450523) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 1570012497 + ... + 1570012532.

Almost surely, 2^56520450522 is an apocalyptic number.

56520450522 is an abundant number, since it is smaller than the sum of its proper divisors (65940525648).

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

56520450522 is a wasteful number, since it uses less digits than its factorization.

56520450522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3140025037 (or 3140025034 counting only the distinct ones).

The product of its (nonzero) digits is 120000, while the sum is 36.

The spelling of 56520450522 in words is "fifty-six billion, five hundred twenty million, four hundred fifty thousand, five hundred twenty-two".