58491380 has 12 divisors (see below), whose sum is σ = 122831940. Its totient is φ = 23396544.

The previous prime is 58491371. The next prime is 58491397. The reversal of 58491380 is 8319485.

It can be written as a sum of positive squares in 2 ways, for example, as 8421604 + 50069776 = 2902^2 + 7076^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1462265 + ... + 1462304.

It is an arithmetic number, because the mean of its divisors is an integer number (10235995).

Almost surely, 2^58491380 is an apocalyptic number.

It is an amenable number.

58491380 is an abundant number, since it is smaller than the sum of its proper divisors (64340560).

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

58491380 is a wasteful number, since it uses less digits than its factorization.

58491380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2924578 (or 2924576 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 38.

The square root of 58491380 is about 7647.9657426011. The cubic root of 58491380 is about 388.1777359079.

The spelling of 58491380 in words is "fifty-eight million, four hundred ninety-one thousand, three hundred eighty".