56730057 has 8 divisors (see below), whose sum is σ = 75706176. Its totient is φ = 37786992.

The previous prime is 56730053. The next prime is 56730059. The reversal of 56730057 is 75003765.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 56730057 - 2² = 56730053 is a prime.

It is not an unprimeable number, because it can be changed into a prime (56730053) 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, 3933 + ... + 11354.

It is an arithmetic number, because the mean of its divisors is an integer number (9463272).

Almost surely, 2^56730057 is an apocalyptic number.

It is an amenable number.

56730057 is a deficient number, since it is larger than the sum of its proper divisors (18976119).

56730057 is a wasteful number, since it uses less digits than its factorization.

56730057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16527.

The product of its (nonzero) digits is 22050, while the sum is 33.

The square root of 56730057 is about 7531.9358069490. The cubic root of 56730057 is about 384.2416217513.

The spelling of 56730057 in words is "fifty-six million, seven hundred thirty thousand, fifty-seven".