56138125 has 10 divisors (see below), whose sum is σ = 70150982. Its totient is φ = 44910000.

The previous prime is 56138107. The next prime is 56138149. The reversal of 56138125 is 52183165.

56138125 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 5 ways, for example, as 37319881 + 18818244 = 6109^2 + 4338^2 .

It is a de Polignac number, because none of the positive numbers 2^k-56138125 is a prime.

It is a Duffinian number.

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 9 ways as a sum of consecutive naturals, for example, 44286 + ... + 45535.

Almost surely, 2^56138125 is an apocalyptic number.

It is an amenable number.

56138125 is a deficient number, since it is larger than the sum of its proper divisors (14012857).

56138125 is an frugal number, since it uses more digits than its factorization.

56138125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89841 (or 89826 counting only the distinct ones).

The product of its digits is 7200, while the sum is 31.

The square root of 56138125 is about 7492.5379545252. The cubic root of 56138125 is about 382.9005302204.

The spelling of 56138125 in words is "fifty-six million, one hundred thirty-eight thousand, one hundred twenty-five".