56580431 has 4 divisors (see below), whose sum is σ = 56829912. Its totient is φ = 56330952.

The previous prime is 56580413. The next prime is 56580467. The reversal of 56580431 is 13408565.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13408565 = 5 ⋅2681713.

It is a cyclic number.

It is not a de Polignac number, because 56580431 - 2¹⁸ = 56318287 is a prime.

It is a super-2 number, since 2×56580431² = 6402690344291522, which 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 (56580401) 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 3 ways as a sum of consecutive naturals, for example, 124400 + ... + 124853.

It is an arithmetic number, because the mean of its divisors is an integer number (14207478).

Almost surely, 2^56580431 is an apocalyptic number.

56580431 is a deficient number, since it is larger than the sum of its proper divisors (249481).

56580431 is a wasteful number, since it uses less digits than its factorization.

56580431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249480.

The product of its (nonzero) digits is 14400, while the sum is 32.

The square root of 56580431 is about 7521.9964770000. The cubic root of 56580431 is about 383.9035108226.

Adding to 56580431 its reverse (13408565), we get a palindrome (69988996).

The spelling of 56580431 in words is "fifty-six million, five hundred eighty thousand, four hundred thirty-one".