59991079 has 4 divisors (see below), whose sum is σ = 63519984. Its totient is φ = 56462176.

The previous prime is 59991049. The next prime is 59991083. The reversal of 59991079 is 97019995.

59991079 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 59991079 - 2⁵ = 59991047 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (59991049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1764427 + ... + 1764460.

It is an arithmetic number, because the mean of its divisors is an integer number (15879996).

Almost surely, 2^59991079 is an apocalyptic number.

59991079 is a deficient number, since it is larger than the sum of its proper divisors (3528905).

59991079 is a wasteful number, since it uses less digits than its factorization.

59991079 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3528904.

The product of its (nonzero) digits is 229635, while the sum is 49.

The square root of 59991079 is about 7745.3908229346. The cubic root of 59991079 is about 391.4673606362.

The spelling of 59991079 in words is "fifty-nine million, nine hundred ninety-one thousand, seventy-nine".