255453520 has 40 divisors (see below), whose sum is σ = 678777984. Its totient is φ = 87583872.

The previous prime is 255453487. The next prime is 255453521. The reversal of 255453520 is 25354552.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255453521) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 227524 + ... + 228643.

Almost surely, 2^255453520 is an apocalyptic number.

255453520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

255453520 is an abundant number, since it is smaller than the sum of its proper divisors (423324464).

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

255453520 is a wasteful number, since it uses less digits than its factorization.

255453520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 456187 (or 456181 counting only the distinct ones).

The product of its (nonzero) digits is 30000, while the sum is 31.

The square root of 255453520 is about 15982.9133764780. The cubic root of 255453520 is about 634.5082848871.

It can be divided in two parts, 25 and 5453520, that added together give a palindrome (5453545).

The spelling of 255453520 in words is "two hundred fifty-five million, four hundred fifty-three thousand, five hundred twenty".