56311773 has 16 divisors (see below), whose sum is σ = 86340096. Its totient is φ = 31978800.

The previous prime is 56311771. The next prime is 56311777. The reversal of 56311773 is 37711365.

It is not a de Polignac number, because 56311773 - 2¹ = 56311771 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56311771) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4803 + ... + 11648.

It is an arithmetic number, because the mean of its divisors is an integer number (5396256).

Almost surely, 2^56311773 is an apocalyptic number.

It is an amenable number.

56311773 is a deficient number, since it is larger than the sum of its proper divisors (30028323).

56311773 is a wasteful number, since it uses less digits than its factorization.

56311773 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16624.

The product of its digits is 13230, while the sum is 33.

The square root of 56311773 is about 7504.1170699823. The cubic root of 56311773 is about 383.2949233516.

The spelling of 56311773 in words is "fifty-six million, three hundred eleven thousand, seven hundred seventy-three".