82531055 has 4 divisors (see below), whose sum is σ = 99037272. Its totient is φ = 66024840.

The previous prime is 82531051. The next prime is 82531067. The reversal of 82531055 is 55013528.

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

It is not a de Polignac number, because 82531055 - 2² = 82531051 is a prime.

It is a super-2 number, since 2×82531055² = 13622750078826050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82531051) 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 3 ways as a sum of consecutive naturals, for example, 8253101 + ... + 8253110.

It is an arithmetic number, because the mean of its divisors is an integer number (24759318).

Almost surely, 2^82531055 is an apocalyptic number.

82531055 is a deficient number, since it is larger than the sum of its proper divisors (16506217).

82531055 is a wasteful number, since it uses less digits than its factorization.

82531055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16506216.

The product of its (nonzero) digits is 6000, while the sum is 29.

The square root of 82531055 is about 9084.6604229327. The cubic root of 82531055 is about 435.3840005509.

The spelling of 82531055 in words is "eighty-two million, five hundred thirty-one thousand, fifty-five".