56887945 has 8 divisors (see below), whose sum is σ = 70467840. Its totient is φ = 44042160.

The previous prime is 56887939. The next prime is 56887949. The reversal of 56887945 is 54978865.

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

It is not a de Polignac number, because 56887945 - 2⁵ = 56887913 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 56887892 and 56887901.

It is not an unprimeable number, because it can be changed into a prime (56887949) 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, 183355 + ... + 183664.

It is an arithmetic number, because the mean of its divisors is an integer number (8808480).

Almost surely, 2^56887945 is an apocalyptic number.

It is an amenable number.

56887945 is a deficient number, since it is larger than the sum of its proper divisors (13579895).

56887945 is a wasteful number, since it uses less digits than its factorization.

56887945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 367055.

The product of its digits is 2419200, while the sum is 52.

The square root of 56887945 is about 7542.4097608125. The cubic root of 56887945 is about 384.5977583358.

The spelling of 56887945 in words is "fifty-six million, eight hundred eighty-seven thousand, nine hundred forty-five".