56138468 has 6 divisors (see below), whose sum is σ = 98242326. Its totient is φ = 28069232.

The previous prime is 56138443. The next prime is 56138473. The reversal of 56138468 is 86483165.

56138468 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 29181604 + 26956864 = 5402^2 + 5192^2 .

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 as a sum of consecutive naturals, namely, 7017305 + ... + 7017312.

It is an arithmetic number, because the mean of its divisors is an integer number (16373721).

Almost surely, 2^56138468 is an apocalyptic number.

It is an amenable number.

56138468 is a deficient number, since it is larger than the sum of its proper divisors (42103858).

56138468 is a wasteful number, since it uses less digits than its factorization.

56138468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14034621 (or 14034619 counting only the distinct ones).

The product of its digits is 138240, while the sum is 41.

The square root of 56138468 is about 7492.5608439305. The cubic root of 56138468 is about 382.9013100506.

The spelling of 56138468 in words is "fifty-six million, one hundred thirty-eight thousand, four hundred sixty-eight".