56478982 has 32 divisors (see below), whose sum is σ = 102873600. Its totient is φ = 22716288.

The previous prime is 56478977. The next prime is 56478991. The reversal of 56478982 is 28987465.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29119 + ... + 30997.

It is an arithmetic number, because the mean of its divisors is an integer number (3214800).

Almost surely, 2^56478982 is an apocalyptic number.

56478982 is the 3758-th decagonal number.

56478982 is a deficient number, since it is larger than the sum of its proper divisors (46394618).

56478982 is a wasteful number, since it uses less digits than its factorization.

56478982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2020.

The product of its digits is 967680, while the sum is 49.

The square root of 56478982 is about 7515.2499625761. The cubic root of 56478982 is about 383.6739265714.

The spelling of 56478982 in words is "fifty-six million, four hundred seventy-eight thousand, nine hundred eighty-two".