58220856 has 112 divisors (see below), whose sum is σ = 167229000. Its totient is φ = 18988992.

The previous prime is 58220849. The next prime is 58220857. The reversal of 58220856 is 65802285.

58220856 is a `hidden beast` number, since 582 + 20 + 8 + 56 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 58220856.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (58220857) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 390670 + ... + 390818.

Almost surely, 2^58220856 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 58220856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83614500).

58220856 is an abundant number, since it is smaller than the sum of its proper divisors (109008144).

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

58220856 is a wasteful number, since it uses less digits than its factorization.

58220856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240 (or 221 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 36.

The square root of 58220856 is about 7630.2592354389. The cubic root of 58220856 is about 387.5783672233.

The spelling of 58220856 in words is "fifty-eight million, two hundred twenty thousand, eight hundred fifty-six".