56575342231 has 8 divisors (see below), whose sum is σ = 57428808944. Its totient is φ = 55722142080.

The previous prime is 56575342183. The next prime is 56575342279. The reversal of 56575342231 is 13224357565.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (56575342183) and next prime (56575342279).

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

It is a cyclic number.

It is not a de Polignac number, because 56575342231 - 2²³ = 56566953623 is a prime.

It is a super-2 number, since 2×56575342231² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56575342531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 383821 + ... + 510361.

It is an arithmetic number, because the mean of its divisors is an integer number (7178601118).

Almost surely, 2^56575342231 is an apocalyptic number.

56575342231 is a deficient number, since it is larger than the sum of its proper divisors (853466713).

56575342231 is a wasteful number, since it uses less digits than its factorization.

56575342231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133281.

The product of its digits is 756000, while the sum is 43.

Adding to 56575342231 its reverse (13224357565), we get a palindrome (69799699796).

The spelling of 56575342231 in words is "fifty-six billion, five hundred seventy-five million, three hundred forty-two thousand, two hundred thirty-one".