59998021 has 8 divisors (see below), whose sum is σ = 60594264. Its totient is φ = 59404800.

The previous prime is 59998019. The next prime is 59998027. The reversal of 59998021 is 12089995.

It can be written as a sum of positive squares in 4 ways, for example, as 18395521 + 41602500 = 4289^2 + 6450^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 59998021 - 2¹ = 59998019 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (59998027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62481 + ... + 63433.

It is an arithmetic number, because the mean of its divisors is an integer number (7574283).

Almost surely, 2^59998021 is an apocalyptic number.

It is an amenable number.

59998021 is a deficient number, since it is larger than the sum of its proper divisors (596243).

59998021 is a wasteful number, since it uses less digits than its factorization.

59998021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1511.

The product of its (nonzero) digits is 58320, while the sum is 43.

The square root of 59998021 is about 7745.8389474608. The cubic root of 59998021 is about 391.4824598901.

The spelling of 59998021 in words is "fifty-nine million, nine hundred ninety-eight thousand, twenty-one".