56533285 has 4 divisors (see below), whose sum is σ = 67839948. Its totient is φ = 45226624.

The previous prime is 56533273. The next prime is 56533291. The reversal of 56533285 is 58233565.

56533285 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 33942276 + 22591009 = 5826^2 + 4753^2 .

It is a cyclic number.

It is not a de Polignac number, because 56533285 - 2⁷ = 56533157 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5653324 + ... + 5653333.

It is an arithmetic number, because the mean of its divisors is an integer number (16959987).

Almost surely, 2^56533285 is an apocalyptic number.

It is an amenable number.

56533285 is a deficient number, since it is larger than the sum of its proper divisors (11306663).

56533285 is a wasteful number, since it uses less digits than its factorization.

56533285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11306662.

The product of its digits is 108000, while the sum is 37.

The square root of 56533285 is about 7518.8619484600. The cubic root of 56533285 is about 383.7968511872.

The spelling of 56533285 in words is "fifty-six million, five hundred thirty-three thousand, two hundred eighty-five".