56596091 has 4 divisors (see below), whose sum is σ = 56778384. Its totient is φ = 56413800.

The previous prime is 56596087. The next prime is 56596109. The reversal of 56596091 is 19069565.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 19069565 = 5 ⋅3813913.

It is a cyclic number.

It is not a de Polignac number, because 56596091 - 2² = 56596087 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56596021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 90680 + ... + 91301.

It is an arithmetic number, because the mean of its divisors is an integer number (14194596).

Almost surely, 2^56596091 is an apocalyptic number.

56596091 is a deficient number, since it is larger than the sum of its proper divisors (182293).

56596091 is a wasteful number, since it uses less digits than its factorization.

56596091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182292.

The product of its (nonzero) digits is 72900, while the sum is 41.

The square root of 56596091 is about 7523.0373520274. The cubic root of 56596091 is about 383.9389257433.

The spelling of 56596091 in words is "fifty-six million, five hundred ninety-six thousand, ninety-one".