82582556 has 12 divisors (see below), whose sum is σ = 165165168. Its totient is φ = 35392512.

The previous prime is 82582537. The next prime is 82582561. The reversal of 82582556 is 65528528.

82582556 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1474661 + ... + 1474716.

It is an arithmetic number, because the mean of its divisors is an integer number (13763764).

Almost surely, 2^82582556 is an apocalyptic number.

It is an amenable number.

82582556 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

82582556 is a wasteful number, since it uses less digits than its factorization.

82582556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2949388 (or 2949386 counting only the distinct ones).

The product of its digits is 192000, while the sum is 41.

The square root of 82582556 is about 9087.4944841799. The cubic root of 82582556 is about 435.4745444436.

It can be divided in two parts, 82582 and 556, that added together give a palindrome (83138).

The spelling of 82582556 in words is "eighty-two million, five hundred eighty-two thousand, five hundred fifty-six".