56168390 has 16 divisors (see below), whose sum is σ = 102489408. Its totient is φ = 22159296.

The previous prime is 56168377. The next prime is 56168419. The reversal of 56168390 is 9386165.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37742 + ... + 39201.

It is an arithmetic number, because the mean of its divisors is an integer number (6405588).

Almost surely, 2^56168390 is an apocalyptic number.

56168390 is a deficient number, since it is larger than the sum of its proper divisors (46321018).

56168390 is a wasteful number, since it uses less digits than its factorization.

56168390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77023.

The product of its (nonzero) digits is 38880, while the sum is 38.

The square root of 56168390 is about 7494.5573585102. The cubic root of 56168390 is about 382.9693272139.

The spelling of 56168390 in words is "fifty-six million, one hundred sixty-eight thousand, three hundred ninety".