56845761 has 16 divisors (see below), whose sum is σ = 87158784. Its totient is φ = 32282064.

The previous prime is 56845759. The next prime is 56845769. The reversal of 56845761 is 16754865.

56845761 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 56845761 - 2¹ = 56845759 is a prime.

It is not an unprimeable number, because it can be changed into a prime (56845769) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 4881 + ... + 11726.

It is an arithmetic number, because the mean of its divisors is an integer number (5447424).

Almost surely, 2^56845761 is an apocalyptic number.

It is an amenable number.

56845761 is a deficient number, since it is larger than the sum of its proper divisors (30313023).

56845761 is a wasteful number, since it uses less digits than its factorization.

56845761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16780.

The product of its digits is 201600, while the sum is 42.

The square root of 56845761 is about 7539.6127884660. The cubic root of 56845761 is about 384.5026715024.

The spelling of 56845761 in words is "fifty-six million, eight hundred forty-five thousand, seven hundred sixty-one".