57958220 has 24 divisors (see below), whose sum is σ = 125639808. Its totient is φ = 22435200.

The previous prime is 57958193. The next prime is 57958247. The reversal of 57958220 is 2285975.

It is an interprime number because it is at equal distance from previous prime (57958193) and next prime (57958247).

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

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, 46121 + ... + 47360.

It is an arithmetic number, because the mean of its divisors is an integer number (5234992).

Almost surely, 2^57958220 is an apocalyptic number.

It is an amenable number.

57958220 is an abundant number, since it is smaller than the sum of its proper divisors (67681588).

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

57958220 is a wasteful number, since it uses less digits than its factorization.

57958220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93521 (or 93519 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 38.

The square root of 57958220 is about 7613.0296203286. The cubic root of 57958220 is about 386.9946962040.

The spelling of 57958220 in words is "fifty-seven million, nine hundred fifty-eight thousand, two hundred twenty".