56574767 has 2 divisors, whose sum is σ = 56574768. Its totient is φ = 56574766.

The previous prime is 56574751. The next prime is 56574769. The reversal of 56574767 is 76747565.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 56574767 - 2⁴ = 56574751 is a prime.

It is a super-2 number, since 2×56574767² = 6401408522208578, which contains 22 as substring.

Together with 56574769, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56574769) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28287383 + 28287384.

It is an arithmetic number, because the mean of its divisors is an integer number (28287384).

Almost surely, 2^56574767 is an apocalyptic number.

56574767 is a deficient number, since it is larger than the sum of its proper divisors (1).

56574767 is an equidigital number, since it uses as much as digits as its factorization.

56574767 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1234800, while the sum is 47.

The square root of 56574767 is about 7521.6199717880. The cubic root of 56574767 is about 383.8907001388.

The spelling of 56574767 in words is "fifty-six million, five hundred seventy-four thousand, seven hundred sixty-seven".