56390982 has 8 divisors (see below), whose sum is σ = 112781976. Its totient is φ = 18796992.

The previous prime is 56390959. The next prime is 56391001. The reversal of 56390982 is 28909365.

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

56390982 is an admirable number.

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, 4699243 + ... + 4699254.

It is an arithmetic number, because the mean of its divisors is an integer number (14097747).

Almost surely, 2^56390982 is an apocalyptic number.

56390982 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

56390982 is a wasteful number, since it uses less digits than its factorization.

56390982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9398502.

The product of its (nonzero) digits is 116640, while the sum is 42.

The square root of 56390982 is about 7509.3929182058. The cubic root of 56390982 is about 383.4745553181.

The spelling of 56390982 in words is "fifty-six million, three hundred ninety thousand, nine hundred eighty-two".