59898989 has 2 divisors, whose sum is σ = 59898990. Its totient is φ = 59898988.

The previous prime is 59898953. The next prime is 59899031. The reversal of 59898989 is 98989895.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 55383364 + 4515625 = 7442^2 + 2125^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-59898989 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 (59898919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 29949494 + 29949495.

It is an arithmetic number, because the mean of its divisors is an integer number (29949495).

Almost surely, 2^59898989 is an apocalyptic number.

It is an amenable number.

59898989 is a deficient number, since it is larger than the sum of its proper divisors (1).

59898989 is an equidigital number, since it uses as much as digits as its factorization.

59898989 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16796160, while the sum is 65.

The square root of 59898989 is about 7739.4437138595. The cubic root of 59898989 is about 391.2669492193.

The spelling of 59898989 in words is "fifty-nine million, eight hundred ninety-eight thousand, nine hundred eighty-nine".