56399884 has 6 divisors (see below), whose sum is σ = 98699804. Its totient is φ = 28199940.

The previous prime is 56399879. The next prime is 56399899. The reversal of 56399884 is 48899365.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7049982 + ... + 7049989.

Almost surely, 2^56399884 is an apocalyptic number.

It is an amenable number.

56399884 is a deficient number, since it is larger than the sum of its proper divisors (42299920).

56399884 is a wasteful number, since it uses less digits than its factorization.

56399884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14099975 (or 14099973 counting only the distinct ones).

The product of its digits is 1866240, while the sum is 52.

The square root of 56399884 is about 7509.9856191607. The cubic root of 56399884 is about 383.4947329585.

The spelling of 56399884 in words is "fifty-six million, three hundred ninety-nine thousand, eight hundred eighty-four".