255402553 has 12 divisors (see below), whose sum is σ = 297513552. Its totient is φ = 218612520.

The previous prime is 255402551. The next prime is 255402599. The reversal of 255402553 is 355204552.

It is a happy number.

255402553 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 255402553 - 2¹ = 255402551 is a prime.

It is not an unprimeable number, because it can be changed into a prime (255402551) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 36526 + ... + 42952.

It is an arithmetic number, because the mean of its divisors is an integer number (24792796).

Almost surely, 2^255402553 is an apocalyptic number.

It is an amenable number.

255402553 is a deficient number, since it is larger than the sum of its proper divisors (42110999).

255402553 is an equidigital number, since it uses as much as digits as its factorization.

255402553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7252 (or 7245 counting only the distinct ones).

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

The square root of 255402553 is about 15981.3188754871. The cubic root of 255402553 is about 634.4660839488.

The spelling of 255402553 in words is "two hundred fifty-five million, four hundred two thousand, five hundred fifty-three".