56512577 has 4 divisors (see below), whose sum is σ = 61650096. Its totient is φ = 51375060.

The previous prime is 56512567. The next prime is 56512591. The reversal of 56512577 is 77521565.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 56512577 - 2⁶ = 56512513 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 56512577.

It is not an unprimeable number, because it can be changed into a prime (56512537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2568743 + ... + 2568764.

It is an arithmetic number, because the mean of its divisors is an integer number (15412524).

Almost surely, 2^56512577 is an apocalyptic number.

It is an amenable number.

56512577 is a deficient number, since it is larger than the sum of its proper divisors (5137519).

56512577 is a wasteful number, since it uses less digits than its factorization.

56512577 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5137518.

The product of its digits is 73500, while the sum is 38.

The square root of 56512577 is about 7517.4847522293. The cubic root of 56512577 is about 383.7499841908.

It can be divided in two parts, 5651 and 2577, that added together give a palindrome (8228).

The spelling of 56512577 in words is "fifty-six million, five hundred twelve thousand, five hundred seventy-seven".