56176889 has 8 divisors (see below), whose sum is σ = 57007080. Its totient is φ = 55351296.

The previous prime is 56176853. The next prime is 56176903. The reversal of 56176889 is 98867165.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2301289 + 53875600 = 1517^2 + 7340^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 56176889 - 2⁸ = 56176633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56176829) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29057 + ... + 30929.

It is an arithmetic number, because the mean of its divisors is an integer number (7125885).

Almost surely, 2^56176889 is an apocalyptic number.

It is an amenable number.

56176889 is a deficient number, since it is larger than the sum of its proper divisors (830191).

56176889 is a wasteful number, since it uses less digits than its factorization.

56176889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2299.

The product of its digits is 725760, while the sum is 50.

The square root of 56176889 is about 7495.1243485349. The cubic root of 56176889 is about 382.9886423017.

The spelling of 56176889 in words is "fifty-six million, one hundred seventy-six thousand, eight hundred eighty-nine".