82004555 has 8 divisors (see below), whose sum is σ = 98500272. Its totient is φ = 65540448.

The previous prime is 82004521. The next prime is 82004561. The reversal of 82004555 is 55540028.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 82004555 - 2¹⁰ = 82003531 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1757 + ... + 12926.

It is an arithmetic number, because the mean of its divisors is an integer number (12312534).

Almost surely, 2^82004555 is an apocalyptic number.

82004555 is a deficient number, since it is larger than the sum of its proper divisors (16495717).

82004555 is a wasteful number, since it uses less digits than its factorization.

82004555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15805.

The product of its (nonzero) digits is 8000, while the sum is 29.

The square root of 82004555 is about 9055.6366424454. The cubic root of 82004555 is about 434.4561927829.

The spelling of 82004555 in words is "eighty-two million, four thousand, five hundred fifty-five".