58991814 has 40 divisors (see below), whose sum is σ = 151071888. Its totient is φ = 16854480.

The previous prime is 58991773. The next prime is 58991831. The reversal of 58991814 is 41819985.

It is a self number, because there is not a number n which added to its sum of digits gives 58991814.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 24877 + ... + 27144.

Almost surely, 2^58991814 is an apocalyptic number.

58991814 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

58991814 is an abundant number, since it is smaller than the sum of its proper divisors (92080074).

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

58991814 is a wasteful number, since it uses less digits than its factorization.

58991814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52042 (or 52033 counting only the distinct ones).

The product of its digits is 103680, while the sum is 45.

The square root of 58991814 is about 7680.6128661716. The cubic root of 58991814 is about 389.2816361960.

The spelling of 58991814 in words is "fifty-eight million, nine hundred ninety-one thousand, eight hundred fourteen".