58211172 has 36 divisors (see below), whose sum is σ = 149926140. Its totient is φ = 19036992.

The previous prime is 58211161. The next prime is 58211177. The reversal of 58211172 is 27111285.

58211172 is a `hidden beast` number, since 582 + 1 + 11 + 72 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 14333796 + 43877376 = 3786^2 + 6624^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×58211172² = 6777081091227168, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (58211177) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13347 + ... + 17162.

It is an arithmetic number, because the mean of its divisors is an integer number (4164615).

Almost surely, 2^58211172 is an apocalyptic number.

It is an amenable number.

58211172 is an abundant number, since it is smaller than the sum of its proper divisors (91714968).

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

58211172 is a wasteful number, since it uses less digits than its factorization.

58211172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30572 (or 30567 counting only the distinct ones).

The product of its digits is 1120, while the sum is 27.

The square root of 58211172 is about 7629.6246303472. The cubic root of 58211172 is about 387.5568771177.

The spelling of 58211172 in words is "fifty-eight million, two hundred eleven thousand, one hundred seventy-two".