82606554 has 40 divisors (see below), whose sum is σ = 189629748. Its totient is φ = 26861760.

The previous prime is 82606499. The next prime is 82606567. The reversal of 82606554 is 45560628.

It can be written as a sum of positive squares in 2 ways, for example, as 57836025 + 24770529 = 7605^2 + 4977^2 .

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 424 + ... + 12860.

Almost surely, 2^82606554 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 82606554, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94814874).

82606554 is an abundant number, since it is smaller than the sum of its proper divisors (107023194).

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

82606554 is a wasteful number, since it uses less digits than its factorization.

82606554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12492 (or 12483 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 36.

The square root of 82606554 is about 9088.8147742156. The cubic root of 82606554 is about 435.5167224632.

The spelling of 82606554 in words is "eighty-two million, six hundred six thousand, five hundred fifty-four".