56890782 has 32 divisors (see below), whose sum is σ = 136150560. Its totient is φ = 17504640.

The previous prime is 56890781. The next prime is 56890817. The reversal of 56890782 is 28709865.

56890782 is a `hidden beast` number, since 568 + 9 + 0 + 7 + 82 = 666.

56890782 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×56890782² = 6473122153143048, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56890781) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39819 + ... + 41222.

It is an arithmetic number, because the mean of its divisors is an integer number (4254705).

Almost surely, 2^56890782 is an apocalyptic number.

56890782 is an abundant number, since it is smaller than the sum of its proper divisors (79259778).

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

56890782 is a wasteful number, since it uses less digits than its factorization.

56890782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81065 (or 81059 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 45.

The square root of 56890782 is about 7542.5978283347. The cubic root of 56890782 is about 384.6041515222.

The spelling of 56890782 in words is "fifty-six million, eight hundred ninety thousand, seven hundred eighty-two".