56130057 has 16 divisors (see below), whose sum is σ = 85839360. Its totient is φ = 36212400.

The previous prime is 56130049. The next prime is 56130059. The reversal of 56130057 is 75003165.

It is not a de Polignac number, because 56130057 - 2³ = 56130049 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 56130057.

It is not an unprimeable number, because it can be changed into a prime (56130059) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32694 + ... + 34367.

It is an arithmetic number, because the mean of its divisors is an integer number (5364960).

Almost surely, 2^56130057 is an apocalyptic number.

It is an amenable number.

56130057 is a deficient number, since it is larger than the sum of its proper divisors (29709303).

56130057 is a wasteful number, since it uses less digits than its factorization.

56130057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67101 (or 67095 counting only the distinct ones).

The product of its (nonzero) digits is 3150, while the sum is 27.

The square root of 56130057 is about 7491.9995328350. Note that the first 3 decimals coincide. The cubic root of 56130057 is about 382.8821862431.

The spelling of 56130057 in words is "fifty-six million, one hundred thirty thousand, fifty-seven".