56335691 has 2 divisors, whose sum is σ = 56335692. Its totient is φ = 56335690.

The previous prime is 56335687. The next prime is 56335709. The reversal of 56335691 is 19653365.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 56335691 - 2² = 56335687 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (56335651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28167845 + 28167846.

It is an arithmetic number, because the mean of its divisors is an integer number (28167846).

Almost surely, 2^56335691 is an apocalyptic number.

56335691 is a deficient number, since it is larger than the sum of its proper divisors (1).

56335691 is an equidigital number, since it uses as much as digits as its factorization.

56335691 is an evil number, because the sum of its binary digits is even.

The product of its digits is 72900, while the sum is 38.

The square root of 56335691 is about 7505.7105593008. The cubic root of 56335691 is about 383.3491828775.

The spelling of 56335691 in words is "fifty-six million, three hundred thirty-five thousand, six hundred ninety-one".