255589752 has 96 divisors (see below), whose sum is σ = 707091840. Its totient is φ = 76929600.

The previous prime is 255589739. The next prime is 255589753. The reversal of 255589752 is 257985552.

It is a happy number.

It is a super-2 number, since 2×255589752² = 130652242654843008, which contains 22 as substring.

Its product of digits (1260000) is a multiple of the sum of its prime factors (625).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255589753) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 821677 + ... + 821987.

It is an arithmetic number, because the mean of its divisors is an integer number (7365540).

Almost surely, 2^255589752 is an apocalyptic number.

255589752 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 255589752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (353545920).

255589752 is an abundant number, since it is smaller than the sum of its proper divisors (451502088).

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

255589752 is a wasteful number, since it uses less digits than its factorization.

255589752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 625 (or 610 counting only the distinct ones).

The product of its digits is 1260000, while the sum is 48.

The square root of 255589752 is about 15987.1746096676. The cubic root of 255589752 is about 634.6210581373.

The spelling of 255589752 in words is "two hundred fifty-five million, five hundred eighty-nine thousand, seven hundred fifty-two".