56582791 has 2 divisors, whose sum is σ = 56582792. Its totient is φ = 56582790.

The previous prime is 56582789. The next prime is 56582819. The reversal of 56582791 is 19728565.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 56582791 - 2¹ = 56582789 is a prime.

It is a super-2 number, since 2×56582791² = 6403224474699362, which contains 22 as substring.

Together with 56582789, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56582761) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28291395 + 28291396.

It is an arithmetic number, because the mean of its divisors is an integer number (28291396).

Almost surely, 2^56582791 is an apocalyptic number.

56582791 is a deficient number, since it is larger than the sum of its proper divisors (1).

56582791 is an equidigital number, since it uses as much as digits as its factorization.

56582791 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 151200, while the sum is 43.

The square root of 56582791 is about 7522.1533486097. The cubic root of 56582791 is about 383.9088483553.

The spelling of 56582791 in words is "fifty-six million, five hundred eighty-two thousand, seven hundred ninety-one".