55885967 has 2 divisors, whose sum is σ = 55885968. Its totient is φ = 55885966.

The previous prime is 55885937. The next prime is 55885979. The reversal of 55885967 is 76958855.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 55885967 - 2¹⁸ = 55623823 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55885927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27942983 + 27942984.

It is an arithmetic number, because the mean of its divisors is an integer number (27942984).

Almost surely, 2^55885967 is an apocalyptic number.

55885967 is a deficient number, since it is larger than the sum of its proper divisors (1).

55885967 is an equidigital number, since it uses as much as digits as its factorization.

55885967 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3024000, while the sum is 53.

The square root of 55885967 is about 7475.6917405682. The cubic root of 55885967 is about 382.3263728475.

The spelling of 55885967 in words is "fifty-five million, eight hundred eighty-five thousand, nine hundred sixty-seven".