56887966 has 8 divisors (see below), whose sum is σ = 88274520. Its totient is φ = 27463128.

The previous prime is 56887949. The next prime is 56887997. The reversal of 56887966 is 66978865.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 490356 + ... + 490471.

It is an arithmetic number, because the mean of its divisors is an integer number (11034315).

Almost surely, 2^56887966 is an apocalyptic number.

56887966 is a deficient number, since it is larger than the sum of its proper divisors (31386554).

56887966 is a wasteful number, since it uses less digits than its factorization.

56887966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 980858.

The product of its digits is 4354560, while the sum is 55.

The square root of 56887966 is about 7542.4111529404. The cubic root of 56887966 is about 384.5978056602.

The spelling of 56887966 in words is "fifty-six million, eight hundred eighty-seven thousand, nine hundred sixty-six".