55468891 has 2 divisors, whose sum is σ = 55468892. Its totient is φ = 55468890.

The previous prime is 55468879. The next prime is 55468913. The reversal of 55468891 is 19886455.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55468891 - 2¹⁷ = 55337819 is a prime.

It is not a weakly prime, because it can be changed into another prime (55468811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27734445 + 27734446.

It is an arithmetic number, because the mean of its divisors is an integer number (27734446).

Almost surely, 2^55468891 is an apocalyptic number.

55468891 is a deficient number, since it is larger than the sum of its proper divisors (1).

55468891 is an equidigital number, since it uses as much as digits as its factorization.

55468891 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 345600, while the sum is 46.

The square root of 55468891 is about 7447.7440208428. The cubic root of 55468891 is about 381.3728986209.

The spelling of 55468891 in words is "fifty-five million, four hundred sixty-eight thousand, eight hundred ninety-one".