56533020 has 24 divisors (see below), whose sum is σ = 158292624. Its totient is φ = 15075456.

The previous prime is 56533013. The next prime is 56533049. The reversal of 56533020 is 2033565.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 471049 + ... + 471168.

It is an arithmetic number, because the mean of its divisors is an integer number (6595526).

Almost surely, 2^56533020 is an apocalyptic number.

It is an amenable number.

56533020 is an abundant number, since it is smaller than the sum of its proper divisors (101759604).

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

56533020 is a wasteful number, since it uses less digits than its factorization.

56533020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 942229 (or 942227 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 24.

The square root of 56533020 is about 7518.8443260916. The cubic root of 56533020 is about 383.7962515032.

Adding to 56533020 its reverse (2033565), we get a palindrome (58566585).

The spelling of 56533020 in words is "fifty-six million, five hundred thirty-three thousand, twenty".