82424550 has 96 divisors (see below), whose sum is σ = 225485568. Its totient is φ = 19797120.

The previous prime is 82424549. The next prime is 82424569. The reversal of 82424550 is 5542428.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 83359 + ... + 84341.

It is an arithmetic number, because the mean of its divisors is an integer number (2348808).

Almost surely, 2^82424550 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 82424550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (112742784).

82424550 is an abundant number, since it is smaller than the sum of its proper divisors (143061018).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

82424550 is a wasteful number, since it uses less digits than its factorization.

82424550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1054 (or 1049 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 30.

The square root of 82424550 is about 9078.7967264390. The cubic root of 82424550 is about 435.1966345785.

Adding to 82424550 its reverse (5542428), we get a palindrome (87966978).

The spelling of 82424550 in words is "eighty-two million, four hundred twenty-four thousand, five hundred fifty".