56512773 has 6 divisors (see below), whose sum is σ = 81629574. Its totient is φ = 37675176.

The previous prime is 56512759. The next prime is 56512789. The reversal of 56512773 is 37721565.

56512773 is a `hidden beast` number, since 565 + 1 + 27 + 73 = 666.

It can be written as a sum of positive squares in only one way, i.e., 49871844 + 6640929 = 7062^2 + 2577^2 .

It is not a de Polignac number, because 56512773 - 2⁵ = 56512741 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56512723) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3139590 + ... + 3139607.

It is an arithmetic number, because the mean of its divisors is an integer number (13604929).

Almost surely, 2^56512773 is an apocalyptic number.

It is an amenable number.

56512773 is a deficient number, since it is larger than the sum of its proper divisors (25116801).

56512773 is a wasteful number, since it uses less digits than its factorization.

56512773 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6279203 (or 6279200 counting only the distinct ones).

The product of its digits is 44100, while the sum is 36.

The square root of 56512773 is about 7517.4977884932. The cubic root of 56512773 is about 383.7504278378.

The spelling of 56512773 in words is "fifty-six million, five hundred twelve thousand, seven hundred seventy-three".