82554845 has 4 divisors (see below), whose sum is σ = 99065820. Its totient is φ = 66043872.

The previous prime is 82554827. The next prime is 82554847. The reversal of 82554845 is 54845528.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 45454564 + 37100281 = 6742^2 + 6091^2 .

It is a cyclic number.

It is not a de Polignac number, because 82554845 - 2⁶ = 82554781 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82554847) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8255480 + ... + 8255489.

It is an arithmetic number, because the mean of its divisors is an integer number (24766455).

Almost surely, 2^82554845 is an apocalyptic number.

It is an amenable number.

82554845 is a deficient number, since it is larger than the sum of its proper divisors (16510975).

82554845 is a wasteful number, since it uses less digits than its factorization.

82554845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16510974.

The product of its digits is 256000, while the sum is 41.

The square root of 82554845 is about 9085.9696785759. The cubic root of 82554845 is about 435.4258304225.

The spelling of 82554845 in words is "eighty-two million, five hundred fifty-four thousand, eight hundred forty-five".