56178378 has 24 divisors (see below), whose sum is σ = 122192928. Its totient is φ = 18653352.

The previous prime is 56178373. The next prime is 56178389. The reversal of 56178378 is 87387165.

56178378 is a `hidden beast` number, since 561 + 7 + 83 + 7 + 8 = 666.

It is not an unprimeable number, because it can be changed into a prime (56178373) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1200 + ... + 10667.

It is an arithmetic number, because the mean of its divisors is an integer number (5091372).

Almost surely, 2^56178378 is an apocalyptic number.

56178378 is an abundant number, since it is smaller than the sum of its proper divisors (66014550).

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

56178378 is a wasteful number, since it uses less digits than its factorization.

56178378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12138 (or 12135 counting only the distinct ones).

The product of its digits is 282240, while the sum is 45.

The square root of 56178378 is about 7495.2236791173. The cubic root of 56178378 is about 382.9920260482.

The spelling of 56178378 in words is "fifty-six million, one hundred seventy-eight thousand, three hundred seventy-eight".