255533652 has 72 divisors (see below), whose sum is σ = 710341632. Its totient is φ = 76809600.

The previous prime is 255533639. The next prime is 255533699. The reversal of 255533652 is 256335552.

255533652 is a `hidden beast` number, since 25 + 553 + 36 + 52 = 666.

255533652 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

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, 47752 + ... + 52832.

It is an arithmetic number, because the mean of its divisors is an integer number (9865856).

Almost surely, 2^255533652 is an apocalyptic number.

255533652 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 255533652, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (355170816).

255533652 is an abundant number, since it is smaller than the sum of its proper divisors (454807980).

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

255533652 is a wasteful number, since it uses less digits than its factorization.

255533652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5229 (or 5224 counting only the distinct ones).

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

The square root of 255533652 is about 15985.4199819711. The cubic root of 255533652 is about 634.5746232468.

The spelling of 255533652 in words is "two hundred fifty-five million, five hundred thirty-three thousand, six hundred fifty-two".