55836089 has 2 divisors, whose sum is σ = 55836090. Its totient is φ = 55836088.

The previous prime is 55836043. The next prime is 55836097. The reversal of 55836089 is 98063855.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 55056400 + 779689 = 7420^2 + 883^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55836089 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (55836689) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27918044 + 27918045.

It is an arithmetic number, because the mean of its divisors is an integer number (27918045).

Almost surely, 2^55836089 is an apocalyptic number.

It is an amenable number.

55836089 is a deficient number, since it is larger than the sum of its proper divisors (1).

55836089 is an equidigital number, since it uses as much as digits as its factorization.

55836089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 259200, while the sum is 44.

The square root of 55836089 is about 7472.3549835377. The cubic root of 55836089 is about 382.2125974111.

The spelling of 55836089 in words is "fifty-five million, eight hundred thirty-six thousand, eighty-nine".