56532520 has 32 divisors (see below), whose sum is σ = 138762720. Its totient is φ = 20557120.

The previous prime is 56532461. The next prime is 56532521. The reversal of 56532520 is 2523565.

It is not an unprimeable number, because it can be changed into a prime (56532521) 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, 63802 + ... + 64681.

It is an arithmetic number, because the mean of its divisors is an integer number (4336335).

Almost surely, 2^56532520 is an apocalyptic number.

It is an amenable number.

56532520 is an abundant number, since it is smaller than the sum of its proper divisors (82230200).

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

56532520 is a wasteful number, since it uses less digits than its factorization.

56532520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128505 (or 128501 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 28.

The square root of 56532520 is about 7518.8110762274. The cubic root of 56532520 is about 383.7951200188.

The spelling of 56532520 in words is "fifty-six million, five hundred thirty-two thousand, five hundred twenty".