82555452 has 72 divisors (see below), whose sum is σ = 241428096. Its totient is φ = 23297184.

The previous prime is 82555433. The next prime is 82555469. The reversal of 82555452 is 25455528.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18943 + ... + 22889.

It is an arithmetic number, because the mean of its divisors is an integer number (3353168).

Almost surely, 2^82555452 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 82555452, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (120714048).

82555452 is an abundant number, since it is smaller than the sum of its proper divisors (158872644).

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

82555452 is a wasteful number, since it uses less digits than its factorization.

82555452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4047 (or 4042 counting only the distinct ones).

The product of its digits is 80000, while the sum is 36.

The square root of 82555452 is about 9086.0030816636. The cubic root of 82555452 is about 435.4268976033.

The spelling of 82555452 in words is "eighty-two million, five hundred fifty-five thousand, four hundred fifty-two".