82550910 has 64 divisors (see below), whose sum is σ = 222663168. Its totient is φ = 19434624.

The previous prime is 82550899. The next prime is 82550911. The reversal of 82550910 is 1905528.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82550911) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4369 + ... + 13571.

It is an arithmetic number, because the mean of its divisors is an integer number (3479112).

Almost surely, 2^82550910 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 82550910, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (111331584).

82550910 is an abundant number, since it is smaller than the sum of its proper divisors (140112258).

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

82550910 is a wasteful number, since it uses less digits than its factorization.

82550910 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9249.

The product of its (nonzero) digits is 3600, while the sum is 30.

The square root of 82550910 is about 9085.7531333401. The cubic root of 82550910 is about 435.4189120809.

The spelling of 82550910 in words is "eighty-two million, five hundred fifty thousand, nine hundred ten".