59981985 has 32 divisors (see below), whose sum is σ = 121870080. Its totient is φ = 27419904.

The previous prime is 59981963. The next prime is 59981989. The reversal of 59981985 is 58918995.

It is not a de Polignac number, because 59981985 - 2¹¹ = 59979937 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (59981989) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 30792 + ... + 32681.

It is an arithmetic number, because the mean of its divisors is an integer number (3808440).

Almost surely, 2^59981985 is an apocalyptic number.

It is an amenable number.

59981985 is an abundant number, since it is smaller than the sum of its proper divisors (61888095).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

59981985 is a wasteful number, since it uses less digits than its factorization.

59981985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63494 (or 63488 counting only the distinct ones).

The product of its digits is 1166400, while the sum is 54.

The square root of 59981985 is about 7744.8037418646. The cubic root of 59981985 is about 391.4475788945.

The spelling of 59981985 in words is "fifty-nine million, nine hundred eighty-one thousand, nine hundred eighty-five".