255501232 has 40 divisors (see below), whose sum is σ = 570970400. Its totient is φ = 108490752.

The previous prime is 255501209. The next prime is 255501251. The reversal of 255501232 is 232105552.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 255501197 and 255501206.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1744 + ... + 22672.

It is an arithmetic number, because the mean of its divisors is an integer number (14274260).

Almost surely, 2^255501232 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 255501232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (285485200).

255501232 is an abundant number, since it is smaller than the sum of its proper divisors (315469168).

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

255501232 is a wasteful number, since it uses less digits than its factorization.

255501232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21053 (or 21047 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 25.

The square root of 255501232 is about 15984.4059007521. The cubic root of 255501232 is about 634.5477855821.

Adding to 255501232 its reverse (232105552), we get a palindrome (487606784).

The spelling of 255501232 in words is "two hundred fifty-five million, five hundred one thousand, two hundred thirty-two".