58491140 has 12 divisors (see below), whose sum is σ = 122831436. Its totient is φ = 23396448.

The previous prime is 58491113. The next prime is 58491151. The reversal of 58491140 is 4119485.

58491140 is digitally balanced in base 9, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 7139584 + 51351556 = 2672^2 + 7166^2 .

58491140 is strictly pandigital in base 9.

It is a junction number, because it is equal to n+sod(n) for n = 58491097 and 58491106.

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, 1462259 + ... + 1462298.

It is an arithmetic number, because the mean of its divisors is an integer number (10235953).

Almost surely, 2^58491140 is an apocalyptic number.

It is an amenable number.

58491140 is an abundant number, since it is smaller than the sum of its proper divisors (64340296).

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

58491140 is a wasteful number, since it uses less digits than its factorization.

58491140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2924566 (or 2924564 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 32.

The square root of 58491140 is about 7647.9500521382. The cubic root of 58491140 is about 388.1772049876.

The spelling of 58491140 in words is "fifty-eight million, four hundred ninety-one thousand, one hundred forty".