56847565 has 8 divisors (see below), whose sum is σ = 68270328. Its totient is φ = 45442560.

The previous prime is 56847493. The next prime is 56847587. The reversal of 56847565 is 56574865.

It can be written as a sum of positive squares in 4 ways, for example, as 4748041 + 52099524 = 2179^2 + 7218^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 56847565 - 2²¹ = 54750413 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 7 ways as a sum of consecutive naturals, for example, 4105 + ... + 11425.

It is an arithmetic number, because the mean of its divisors is an integer number (8533791).

Almost surely, 2^56847565 is an apocalyptic number.

It is an amenable number.

56847565 is a deficient number, since it is larger than the sum of its proper divisors (11422763).

56847565 is a wasteful number, since it uses less digits than its factorization.

56847565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8879.

The product of its digits is 1008000, while the sum is 46.

The square root of 56847565 is about 7539.7324223078. The cubic root of 56847565 is about 384.5067388563.

The spelling of 56847565 in words is "fifty-six million, eight hundred forty-seven thousand, five hundred sixty-five".