56838915 has 96 divisors (see below), whose sum is σ = 120347136. Its totient is φ = 25194240.

The previous prime is 56838877. The next prime is 56838917. The reversal of 56838915 is 51983865.

56838915 is a `hidden beast` number, since 568 + 3 + 89 + 1 + 5 = 666.

It is not a de Polignac number, because 56838915 - 2⁶ = 56838851 is a prime.

It is a super-3 number, since 3×56838915³ (a number of 24 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (56838917) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 348624 + ... + 348786.

It is an arithmetic number, because the mean of its divisors is an integer number (1253616).

Almost surely, 2^56838915 is an apocalyptic number.

56838915 is an abundant number, since it is smaller than the sum of its proper divisors (63508221).

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

56838915 is a wasteful number, since it uses less digits than its factorization.

56838915 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231 (or 219 counting only the distinct ones).

The product of its digits is 259200, while the sum is 45.

The square root of 56838915 is about 7539.1587727014. The cubic root of 56838915 is about 384.4872355173.

The spelling of 56838915 in words is "fifty-six million, eight hundred thirty-eight thousand, nine hundred fifteen".