56956990 has 16 divisors (see below), whose sum is σ = 102649680. Its totient is φ = 22754560.

The previous prime is 56956979. The next prime is 56957027. The reversal of 56956990 is 9965965.

It is a happy number.

56956990 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 6225 + ... + 12355.

It is an arithmetic number, because the mean of its divisors is an integer number (6415605).

Almost surely, 2^56956990 is an apocalyptic number.

56956990 is a deficient number, since it is larger than the sum of its proper divisors (45692690).

56956990 is a wasteful number, since it uses less digits than its factorization.

56956990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7067.

The product of its (nonzero) digits is 656100, while the sum is 49.

The square root of 56956990 is about 7546.9854909096. The cubic root of 56956990 is about 384.7532910904.

Subtracting from 56956990 its reverse (9965965), we obtain a square (46991025 = 6855²).

The spelling of 56956990 in words is "fifty-six million, nine hundred fifty-six thousand, nine hundred ninety".