58133640 has 32 divisors (see below), whose sum is σ = 174401280. Its totient is φ = 15502272.

The previous prime is 58133639. The next prime is 58133653. The reversal of 58133640 is 4633185.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 58133598 and 58133607.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 242104 + ... + 242343.

It is an arithmetic number, because the mean of its divisors is an integer number (5450040).

Almost surely, 2^58133640 is an apocalyptic number.

It is an amenable number.

58133640 is an abundant number, since it is smaller than the sum of its proper divisors (116267640).

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

58133640 is a wasteful number, since it uses less digits than its factorization.

58133640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 484461 (or 484457 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 58133640 is about 7624.5419534553. The cubic root of 58133640 is about 387.3847371368.

It can be divided in two parts, 5813 and 3640, that added together give a triangular number (9453 = T₁₃₇).

The spelling of 58133640 in words is "fifty-eight million, one hundred thirty-three thousand, six hundred forty".