56766825 has 90 divisors (see below), whose sum is σ = 112852586. Its totient is φ = 28200960.

The previous prime is 56766821. The next prime is 56766839. The reversal of 56766825 is 52866765.

56766825 is a `hidden beast` number, since 567 + 6 + 6 + 82 + 5 = 666.

It can be written as a sum of positive squares in 9 ways, for example, as 3884841 + 52881984 = 1971^2 + 7272^2 .

It is not a de Polignac number, because 56766825 - 2² = 56766821 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56766821) by changing a digit.

It is a polite number, since it can be written in 89 ways as a sum of consecutive naturals, for example, 585177 + ... + 585273.

Almost surely, 2^56766825 is an apocalyptic number.

It is an amenable number.

56766825 is a deficient number, since it is larger than the sum of its proper divisors (56085761).

56766825 is a wasteful number, since it uses less digits than its factorization.

56766825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153 (or 122 counting only the distinct ones).

The product of its digits is 604800, while the sum is 45.

The square root of 56766825 is about 7534.3762183740. The cubic root of 56766825 is about 384.3246156445.

The spelling of 56766825 in words is "fifty-six million, seven hundred sixty-six thousand, eight hundred twenty-five".