56607885 has 12 divisors (see below), whose sum is σ = 98120412. Its totient is φ = 30190848.

The previous prime is 56607883. The next prime is 56607907. The reversal of 56607885 is 58870665.

56607885 is a `hidden beast` number, since 566 + 0 + 7 + 8 + 85 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 15468489 + 41139396 = 3933^2 + 6414^2 .

It is not a de Polignac number, because 56607885 - 2¹ = 56607883 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 1257953 = 56607885 / (5 + 6 + 6 + 0 + 7 + 8 + 8 + 5).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 56607885.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56607883) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 628932 + ... + 629021.

It is an arithmetic number, because the mean of its divisors is an integer number (8176701).

Almost surely, 2^56607885 is an apocalyptic number.

It is an amenable number.

56607885 is a deficient number, since it is larger than the sum of its proper divisors (41512527).

56607885 is a wasteful number, since it uses less digits than its factorization.

56607885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1257964 (or 1257961 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 45.

The square root of 56607885 is about 7523.8211701236. The cubic root of 56607885 is about 383.9655934342.

The spelling of 56607885 in words is "fifty-six million, six hundred seven thousand, eight hundred eighty-five".