82555258 has 4 divisors (see below), whose sum is σ = 123832890. Its totient is φ = 41277628.

The previous prime is 82555229. The next prime is 82555301. The reversal of 82555258 is 85255528.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 58476609 + 24078649 = 7647^2 + 4907^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 82555258.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20638813 + ... + 20638816.

Almost surely, 2^82555258 is an apocalyptic number.

82555258 is a deficient number, since it is larger than the sum of its proper divisors (41277632).

82555258 is a wasteful number, since it uses less digits than its factorization.

82555258 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41277631.

The product of its digits is 160000, while the sum is 40.

The square root of 82555258 is about 9085.9924058960. The cubic root of 82555258 is about 435.4265565280.

The spelling of 82555258 in words is "eighty-two million, five hundred fifty-five thousand, two hundred fifty-eight".