56285239 has 4 divisors (see below), whose sum is σ = 59247640. Its totient is φ = 53322840.

The previous prime is 56285231. The next prime is 56285261. The reversal of 56285239 is 93258265.

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

It is a cyclic number.

It is not a de Polignac number, because 56285239 - 2³ = 56285231 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56285231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1481172 + ... + 1481209.

It is an arithmetic number, because the mean of its divisors is an integer number (14811910).

Almost surely, 2^56285239 is an apocalyptic number.

56285239 is a deficient number, since it is larger than the sum of its proper divisors (2962401).

56285239 is a wasteful number, since it uses less digits than its factorization.

56285239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2962400.

The product of its digits is 129600, while the sum is 40.

The square root of 56285239 is about 7502.3488988449. The cubic root of 56285239 is about 383.2347112812.

The spelling of 56285239 in words is "fifty-six million, two hundred eighty-five thousand, two hundred thirty-nine".