82305455 has 4 divisors (see below), whose sum is σ = 98766552. Its totient is φ = 65844360.

The previous prime is 82305407. The next prime is 82305479. The reversal of 82305455 is 55450328.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 82305455 - 2⁸ = 82305199 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 8230541 + ... + 8230550.

It is an arithmetic number, because the mean of its divisors is an integer number (24691638).

Almost surely, 2^82305455 is an apocalyptic number.

82305455 is a deficient number, since it is larger than the sum of its proper divisors (16461097).

82305455 is a wasteful number, since it uses less digits than its factorization.

82305455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16461096.

The product of its (nonzero) digits is 24000, while the sum is 32.

The square root of 82305455 is about 9072.2353915670. The cubic root of 82305455 is about 434.9869287480.

The spelling of 82305455 in words is "eighty-two million, three hundred five thousand, four hundred fifty-five".