56533775 has 12 divisors (see below), whose sum is σ = 71426232. Its totient is φ = 44372640.

The previous prime is 56533769. The next prime is 56533811. The reversal of 56533775 is 57733565.

It is not a de Polignac number, because 56533775 - 2²⁴ = 39756559 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20009 + ... + 22658.

It is an arithmetic number, because the mean of its divisors is an integer number (5952186).

Almost surely, 2^56533775 is an apocalyptic number.

56533775 is a deficient number, since it is larger than the sum of its proper divisors (14892457).

56533775 is a wasteful number, since it uses less digits than its factorization.

56533775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42730 (or 42725 counting only the distinct ones).

The product of its digits is 330750, while the sum is 41.

The square root of 56533775 is about 7518.8945331079. The cubic root of 56533775 is about 383.7979600320.

The spelling of 56533775 in words is "fifty-six million, five hundred thirty-three thousand, seven hundred seventy-five".