56707889 has 4 divisors (see below), whose sum is σ = 64809024. Its totient is φ = 48606756.

The previous prime is 56707883. The next prime is 56707907. The reversal of 56707889 is 98870765.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 56707889 - 2¹² = 56703793 is a prime.

It is not an unprimeable number, because it can be changed into a prime (56707883) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4050557 + ... + 4050570.

It is an arithmetic number, because the mean of its divisors is an integer number (16202256).

Almost surely, 2^56707889 is an apocalyptic number.

It is an amenable number.

56707889 is a deficient number, since it is larger than the sum of its proper divisors (8101135).

56707889 is an equidigital number, since it uses as much as digits as its factorization.

56707889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8101134.

The product of its (nonzero) digits is 846720, while the sum is 50.

The square root of 56707889 is about 7530.4640627255. The cubic root of 56707889 is about 384.1915661109.

The spelling of 56707889 in words is "fifty-six million, seven hundred seven thousand, eight hundred eighty-nine".