82544450 has 12 divisors (see below), whose sum is σ = 153532770. Its totient is φ = 33017760.

The previous prime is 82544393. The next prime is 82544459. The reversal of 82544450 is 5444528.

It can be written as a sum of positive squares in 3 ways, for example, as 30459361 + 52085089 = 5519^2 + 7217^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (82544459) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 825395 + ... + 825494.

Almost surely, 2^82544450 is an apocalyptic number.

82544450 is a deficient number, since it is larger than the sum of its proper divisors (70988320).

82544450 is a wasteful number, since it uses less digits than its factorization.

82544450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1650901 (or 1650896 counting only the distinct ones).

The product of its (nonzero) digits is 25600, while the sum is 32.

The square root of 82544450 is about 9085.3976247603. The cubic root of 82544450 is about 435.4075539200.

Adding to 82544450 its reverse (5444528), we get a palindrome (87988978).

The spelling of 82544450 in words is "eighty-two million, five hundred forty-four thousand, four hundred fifty".