56342791 has 2 divisors, whose sum is σ = 56342792. Its totient is φ = 56342790.

The previous prime is 56342773. The next prime is 56342827. The reversal of 56342791 is 19724365.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56342791 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 56342791.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56342731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28171395 + 28171396.

It is an arithmetic number, because the mean of its divisors is an integer number (28171396).

Almost surely, 2^56342791 is an apocalyptic number.

56342791 is a deficient number, since it is larger than the sum of its proper divisors (1).

56342791 is an equidigital number, since it uses as much as digits as its factorization.

56342791 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 45360, while the sum is 37.

The square root of 56342791 is about 7506.1835176073. The cubic root of 56342791 is about 383.3652867294.

The spelling of 56342791 in words is "fifty-six million, three hundred forty-two thousand, seven hundred ninety-one".