56533000 has 32 divisors (see below), whose sum is σ = 132289560. Its totient is φ = 22612800.

The previous prime is 56532979. The next prime is 56533013. The reversal of 56533000 is 33565.

It can be written as a sum of positive squares in 4 ways, for example, as 3912484 + 52620516 = 1978^2 + 7254^2 .

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, 27267 + ... + 29266.

Almost surely, 2^56533000 is an apocalyptic number.

56533000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

56533000 is an abundant number, since it is smaller than the sum of its proper divisors (75756560).

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

56533000 is a wasteful number, since it uses less digits than its factorization.

56533000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56554 (or 56540 counting only the distinct ones).

The product of its (nonzero) digits is 1350, while the sum is 22.

The square root of 56533000 is about 7518.8429960999. The cubic root of 56533000 is about 383.7962062439.

Adding to 56533000 its reverse (33565), we get a palindrome (56566565).

The spelling of 56533000 in words is "fifty-six million, five hundred thirty-three thousand".