56846891 has 2 divisors, whose sum is σ = 56846892. Its totient is φ = 56846890.

The previous prime is 56846843. The next prime is 56846921. The reversal of 56846891 is 19864865.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 56846891 - 2¹⁸ = 56584747 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (56846821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28423445 + 28423446.

It is an arithmetic number, because the mean of its divisors is an integer number (28423446).

Almost surely, 2^56846891 is an apocalyptic number.

56846891 is a deficient number, since it is larger than the sum of its proper divisors (1).

56846891 is an equidigital number, since it uses as much as digits as its factorization.

56846891 is an evil number, because the sum of its binary digits is even.

The product of its digits is 414720, while the sum is 47.

The square root of 56846891 is about 7539.6877256290. The cubic root of 56846891 is about 384.5052192453.

The spelling of 56846891 in words is "fifty-six million, eight hundred forty-six thousand, eight hundred ninety-one".