59989613 has 4 divisors (see below), whose sum is σ = 60206460. Its totient is φ = 59772768.

The previous prime is 59989591. The next prime is 59989627. The reversal of 59989613 is 31698995.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 21883684 + 38105929 = 4678^2 + 6173^2 .

It is a cyclic number.

It is not a de Polignac number, because 59989613 - 2⁸ = 59989357 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 (59989663) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 108008 + ... + 108561.

It is an arithmetic number, because the mean of its divisors is an integer number (15051615).

Almost surely, 2^59989613 is an apocalyptic number.

It is an amenable number.

59989613 is a deficient number, since it is larger than the sum of its proper divisors (216847).

59989613 is a wasteful number, since it uses less digits than its factorization.

59989613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216846.

The product of its digits is 524880, while the sum is 50.

The square root of 59989613 is about 7745.2961854276. The cubic root of 59989613 is about 391.4641718519.

The spelling of 59989613 in words is "fifty-nine million, nine hundred eighty-nine thousand, six hundred thirteen".