82505544 has 48 divisors (see below), whose sum is σ = 226727760. Its totient is φ = 25000800.

The previous prime is 82505497. The next prime is 82505557. The reversal of 82505544 is 44550528.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11302 + ... + 17109.

It is an arithmetic number, because the mean of its divisors is an integer number (4723495).

Almost surely, 2^82505544 is an apocalyptic number.

It is an amenable number.

82505544 is an abundant number, since it is smaller than the sum of its proper divisors (144222216).

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

82505544 is a wasteful number, since it uses less digits than its factorization.

82505544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28442 (or 28427 counting only the distinct ones).

The product of its (nonzero) digits is 32000, while the sum is 33.

The square root of 82505544 is about 9083.2562443212. The cubic root of 82505544 is about 435.3391357185.

The spelling of 82505544 in words is "eighty-two million, five hundred five thousand, five hundred forty-four".