56747178 has 12 divisors (see below), whose sum is σ = 122952258. Its totient is φ = 18915720.

The previous prime is 56747177. The next prime is 56747209. The reversal of 56747178 is 87174765.

56747178 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 only one way, i.e., 56746089 + 1089 = 7533^2 + 33^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (56747177) 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 5 ways as a sum of consecutive naturals, for example, 1576293 + ... + 1576328.

Almost surely, 2^56747178 is an apocalyptic number.

56747178 is an abundant number, since it is smaller than the sum of its proper divisors (66205080).

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

56747178 is a wasteful number, since it uses less digits than its factorization.

56747178 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3152629 (or 3152626 counting only the distinct ones).

The product of its digits is 329280, while the sum is 45.

The square root of 56747178 is about 7533.0722816126. The cubic root of 56747178 is about 384.2802722743.

The spelling of 56747178 in words is "fifty-six million, seven hundred forty-seven thousand, one hundred seventy-eight".