56746889 has 4 divisors (see below), whose sum is σ = 57155280. Its totient is φ = 56338500.

The previous prime is 56746873. The next prime is 56746913. The reversal of 56746889 is 98864765.

56746889 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, and also an emirpimes, since its reverse is a distinct semiprime: 98864765 = 5 ⋅19772953.

It is a cyclic number.

It is not a de Polignac number, because 56746889 - 2⁴ = 56746873 is a prime.

It is a super-2 number, since 2×56746889² = 6440418822356642, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 56746889.

It is not an unprimeable number, because it can be changed into a prime (56743889) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 203987 + ... + 204264.

It is an arithmetic number, because the mean of its divisors is an integer number (14288820).

Almost surely, 2^56746889 is an apocalyptic number.

It is an amenable number.

56746889 is a deficient number, since it is larger than the sum of its proper divisors (408391).

56746889 is a wasteful number, since it uses less digits than its factorization.

56746889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 408390.

The product of its digits is 2903040, while the sum is 53.

The square root of 56746889 is about 7533.0530995075. The cubic root of 56746889 is about 384.2796199236.

The spelling of 56746889 in words is "fifty-six million, seven hundred forty-six thousand, eight hundred eighty-nine".