82572255 has 48 divisors (see below), whose sum is σ = 147987840. Its totient is φ = 42565824.

The previous prime is 82572239. The next prime is 82572257. The reversal of 82572255 is 55227528.

82572255 is a `hidden beast` number, since 82 + 572 + 2 + 5 + 5 = 666.

It is not a de Polignac number, because 82572255 - 2⁴ = 82572239 is a prime.

Its product of digits (56000) is a multiple of the sum of its prime factors (500).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82572257) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 268812 + ... + 269118.

It is an arithmetic number, because the mean of its divisors is an integer number (3083080).

Almost surely, 2^82572255 is an apocalyptic number.

82572255 is a deficient number, since it is larger than the sum of its proper divisors (65415585).

82572255 is a wasteful number, since it uses less digits than its factorization.

82572255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 500 (or 497 counting only the distinct ones).

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

The square root of 82572255 is about 9086.9276986229. The cubic root of 82572255 is about 435.4564372709.

The spelling of 82572255 in words is "eighty-two million, five hundred seventy-two thousand, two hundred fifty-five".