82500555 has 16 divisors (see below), whose sum is σ = 132890400. Its totient is φ = 43703808.

The previous prime is 82500553. The next prime is 82500559. The reversal of 82500555 is 55500528.

It is not a de Polignac number, because 82500555 - 2¹ = 82500553 is a prime.

It is not an unprimeable number, because it can be changed into a prime (82500553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16222 + ... + 20691.

It is an arithmetic number, because the mean of its divisors is an integer number (8305650).

Almost surely, 2^82500555 is an apocalyptic number.

82500555 is a deficient number, since it is larger than the sum of its proper divisors (50389845).

82500555 is a wasteful number, since it uses less digits than its factorization.

82500555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37070.

The product of its (nonzero) digits is 10000, while the sum is 30.

The square root of 82500555 is about 9082.9816139856. The cubic root of 82500555 is about 435.3303607497.

The spelling of 82500555 in words is "eighty-two million, five hundred thousand, five hundred fifty-five".