56678172 has 24 divisors (see below), whose sum is σ = 132375936. Its totient is φ = 18874608.

The previous prime is 56678161. The next prime is 56678179. The reversal of 56678172 is 27187665.

56678172 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×56678172³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56678179) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 18073 + ... + 20975.

It is an arithmetic number, because the mean of its divisors is an integer number (5515664).

Almost surely, 2^56678172 is an apocalyptic number.

It is an amenable number.

56678172 is an abundant number, since it is smaller than the sum of its proper divisors (75697764).

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

56678172 is a wasteful number, since it uses less digits than its factorization.

56678172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4537 (or 4535 counting only the distinct ones).

The product of its digits is 141120, while the sum is 42.

The square root of 56678172 is about 7528.4906853897. The cubic root of 56678172 is about 384.1244442586.

The spelling of 56678172 in words is "fifty-six million, six hundred seventy-eight thousand, one hundred seventy-two".