59139891 has 12 divisors (see below), whose sum is σ = 87036768. Its totient is φ = 38682384.

The previous prime is 59139887. The next prime is 59139893. The reversal of 59139891 is 19893195.

It is not a de Polignac number, because 59139891 - 2² = 59139887 is a prime.

It is a zygodrome in base 2.

It is not an unprimeable number, because it can be changed into a prime (59139893) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 61515 + ... + 62468.

It is an arithmetic number, because the mean of its divisors is an integer number (7253064).

Almost surely, 2^59139891 is an apocalyptic number.

59139891 is a deficient number, since it is larger than the sum of its proper divisors (27896877).

59139891 is a wasteful number, since it uses less digits than its factorization.

59139891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124042 (or 124039 counting only the distinct ones).

The product of its digits is 87480, while the sum is 45.

The square root of 59139891 is about 7690.2464849964. The cubic root of 59139891 is about 389.6070796155.

The spelling of 59139891 in words is "fifty-nine million, one hundred thirty-nine thousand, eight hundred ninety-one".