56947156 has 24 divisors (see below), whose sum is σ = 114065280. Its totient is φ = 24369312.

The previous prime is 56947153. The next prime is 56947169. The reversal of 56947156 is 65174965.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56947153) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26490 + ... + 28558.

It is an arithmetic number, because the mean of its divisors is an integer number (4752720).

Almost surely, 2^56947156 is an apocalyptic number.

It is an amenable number.

56947156 is an abundant number, since it is smaller than the sum of its proper divisors (57118124).

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

56947156 is a wasteful number, since it uses less digits than its factorization.

56947156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3063 (or 3061 counting only the distinct ones).

The product of its digits is 226800, while the sum is 43.

The square root of 56947156 is about 7546.3339443733. Note that the first 3 decimals coincide. The cubic root of 56947156 is about 384.7311464180.

The spelling of 56947156 in words is "fifty-six million, nine hundred forty-seven thousand, one hundred fifty-six".