56171577 has 16 divisors (see below), whose sum is σ = 93376512. Its totient is φ = 29179920.

The previous prime is 56171567. The next prime is 56171611. The reversal of 56171577 is 77517165.

56171577 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 56171577 - 2⁴ = 56171561 is a prime.

It is not an unprimeable number, because it can be changed into a prime (56171537) 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 15 ways as a sum of consecutive naturals, for example, 121353 + ... + 121814.

It is an arithmetic number, because the mean of its divisors is an integer number (5836032).

Almost surely, 2^56171577 is an apocalyptic number.

It is an amenable number.

56171577 is a deficient number, since it is larger than the sum of its proper divisors (37204935).

56171577 is a wasteful number, since it uses less digits than its factorization.

56171577 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243188.

The product of its digits is 51450, while the sum is 39.

The square root of 56171577 is about 7494.7699764569. The cubic root of 56171577 is about 382.9765703160.

The spelling of 56171577 in words is "fifty-six million, one hundred seventy-one thousand, five hundred seventy-seven".