58138280 has 16 divisors (see below), whose sum is σ = 130811220. Its totient is φ = 23255296.

The previous prime is 58138253. The next prime is 58138303. The reversal of 58138280 is 8283185.

It can be written as a sum of positive squares in 2 ways, for example, as 54671236 + 3467044 = 7394^2 + 1862^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 58138280.

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, 726689 + ... + 726768.

Almost surely, 2^58138280 is an apocalyptic number.

It is an amenable number.

58138280 is an abundant number, since it is smaller than the sum of its proper divisors (72672940).

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

58138280 is a wasteful number, since it uses less digits than its factorization.

58138280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1453468 (or 1453464 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 35.

The square root of 58138280 is about 7624.8462279576. The cubic root of 58138280 is about 387.3950433747.

The spelling of 58138280 in words is "fifty-eight million, one hundred thirty-eight thousand, two hundred eighty".