56346591 has 16 divisors (see below), whose sum is σ = 86187008. Its totient is φ = 32076000.

The previous prime is 56346559. The next prime is 56346599. The reversal of 56346591 is 19564365.

It is not a de Polignac number, because 56346591 - 2⁵ = 56346559 is a prime.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56346599) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 741 + ... + 10641.

It is an arithmetic number, because the mean of its divisors is an integer number (5386688).

Almost surely, 2^56346591 is an apocalyptic number.

56346591 is a deficient number, since it is larger than the sum of its proper divisors (29840417).

56346591 is a wasteful number, since it uses less digits than its factorization.

56346591 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10182.

The product of its digits is 97200, while the sum is 39.

The square root of 56346591 is about 7506.4366379794. The cubic root of 56346591 is about 383.3739051365.

The spelling of 56346591 in words is "fifty-six million, three hundred forty-six thousand, five hundred ninety-one".