56750057 has 16 divisors (see below), whose sum is σ = 72102912. Its totient is φ = 43450560.

The previous prime is 56750051. The next prime is 56750059. The reversal of 56750057 is 75005765.

It is a cyclic number.

It is not a de Polignac number, because 56750057 - 2⁴ = 56750041 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 56749999 and 56750026.

It is not an unprimeable number, because it can be changed into a prime (56750051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7238 + ... + 12879.

It is an arithmetic number, because the mean of its divisors is an integer number (4506432).

Almost surely, 2^56750057 is an apocalyptic number.

It is an amenable number.

56750057 is a deficient number, since it is larger than the sum of its proper divisors (15352855).

56750057 is a wasteful number, since it uses less digits than its factorization.

56750057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20168.

The product of its (nonzero) digits is 36750, while the sum is 35.

The square root of 56750057 is about 7533.2633698816. The cubic root of 56750057 is about 384.2867708306.

The spelling of 56750057 in words is "fifty-six million, seven hundred fifty thousand, fifty-seven".