655525332 has 144 divisors (see below), whose sum is σ = 2156898240. Its totient is φ = 170251200.

The previous prime is 655525319. The next prime is 655525361. The reversal of 655525332 is 233525556.

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 pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 52582 + ... + 63842.

It is an arithmetic number, because the mean of its divisors is an integer number (14978460).

Almost surely, 2^655525332 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 655525332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1078449120).

655525332 is an abundant number, since it is smaller than the sum of its proper divisors (1501372908).

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

655525332 is a wasteful number, since it uses less digits than its factorization.

655525332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11299 (or 11284 counting only the distinct ones).

The product of its digits is 135000, while the sum is 36.

The square root of 655525332 is about 25603.2289369915. The cubic root of 655525332 is about 868.6866748038.

The spelling of 655525332 in words is "six hundred fifty-five million, five hundred twenty-five thousand, three hundred thirty-two".