56109375 has 112 divisors (see below), whose sum is σ = 124998400. Its totient is φ = 24300000.

The previous prime is 56109371. The next prime is 56109407. The reversal of 56109375 is 57390165.

It is a happy number.

56109375 is a `hidden beast` number, since 5 + 610 + 9 + 37 + 5 = 666.

It is not a de Polignac number, because 56109375 - 2² = 56109371 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56109371) by changing a digit.

It is a polite number, since it can be written in 111 ways as a sum of consecutive naturals, for example, 2953116 + ... + 2953134.

Almost surely, 2^56109375 is an apocalyptic number.

56109375 is an abundant number, since it is smaller than the sum of its proper divisors (68889025).

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

56109375 is an frugal number, since it uses more digits than its factorization.

56109375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65 (or 34 counting only the distinct ones).

The product of its (nonzero) digits is 28350, while the sum is 36.

The square root of 56109375 is about 7490.6191332893. The cubic root of 56109375 is about 382.8351541501.

The spelling of 56109375 in words is "fifty-six million, one hundred nine thousand, three hundred seventy-five".