55183867 has 2 divisors, whose sum is σ = 55183868. Its totient is φ = 55183866.

The previous prime is 55183861. The next prime is 55183879. The reversal of 55183867 is 76838155.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55183867 - 2¹⁵ = 55151099 is a prime.

It is not a weakly prime, because it can be changed into another prime (55183861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27591933 + 27591934.

It is an arithmetic number, because the mean of its divisors is an integer number (27591934).

Almost surely, 2^55183867 is an apocalyptic number.

55183867 is a deficient number, since it is larger than the sum of its proper divisors (1).

55183867 is an equidigital number, since it uses as much as digits as its factorization.

55183867 is an evil number, because the sum of its binary digits is even.

The product of its digits is 201600, while the sum is 43.

The square root of 55183867 is about 7428.5844546589. The cubic root of 55183867 is about 380.7185549925.

The spelling of 55183867 in words is "fifty-five million, one hundred eighty-three thousand, eight hundred sixty-seven".