52572258 has 18 divisors (see below), whose sum is σ = 113973249. Its totient is φ = 17513832.

The previous prime is 52572257. The next prime is 52572263. The reversal of 52572258 is 85227525.

It can be written as a sum of positive squares in 2 ways, for example, as 46826649 + 5745609 = 6843^2 + 2397^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=5127.

It is a super-2 number, since 2×52572258² = 5527684622437128, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (52572251) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 29908 + ... + 31616.

Almost surely, 2^52572258 is an apocalyptic number.

52572258 is an abundant number, since it is smaller than the sum of its proper divisors (61400991).

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

52572258 is an equidigital number, since it uses as much as digits as its factorization.

52572258 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3426 (or 1714 counting only the distinct ones).

The product of its digits is 56000, while the sum is 36.

The square root of 52572258 is about 7250.6729342869. The cubic root of 52572258 is about 374.6153282086.

The spelling of 52572258 in words is "fifty-two million, five hundred seventy-two thousand, two hundred fifty-eight".