56574431 has 8 divisors (see below), whose sum is σ = 57383424. Its totient is φ = 55770840.

The previous prime is 56574421. The next prime is 56574461. The reversal of 56574431 is 13447565.

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 56574431 - 2²² = 52380127 is a prime.

It is a super-2 number, since 2×56574431² = 6401332485947522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 56574391 and 56574400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56574421) 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 7 ways as a sum of consecutive naturals, for example, 22676 + ... + 25046.

It is an arithmetic number, because the mean of its divisors is an integer number (7172928).

Almost surely, 2^56574431 is an apocalyptic number.

56574431 is a deficient number, since it is larger than the sum of its proper divisors (808993).

56574431 is a wasteful number, since it uses less digits than its factorization.

56574431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2701.

The product of its digits is 50400, while the sum is 35.

The square root of 56574431 is about 7521.5976361409. The cubic root of 56574431 is about 383.8899401561.

The spelling of 56574431 in words is "fifty-six million, five hundred seventy-four thousand, four hundred thirty-one".