255553003 has 4 divisors (see below), whose sum is σ = 257814648. Its totient is φ = 253291360.

The previous prime is 255552949. The next prime is 255553009. The reversal of 255553003 is 300355552.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 255553003 - 2⁹ = 255552491 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (255553009) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1130653 + ... + 1130878.

It is an arithmetic number, because the mean of its divisors is an integer number (64453662).

Almost surely, 2^255553003 is an apocalyptic number.

255553003 is a deficient number, since it is larger than the sum of its proper divisors (2261645).

255553003 is a wasteful number, since it uses less digits than its factorization.

255553003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2261644.

The product of its (nonzero) digits is 11250, while the sum is 28.

The square root of 255553003 is about 15986.0252408158. The cubic root of 255553003 is about 634.5906411547.

The spelling of 255553003 in words is "two hundred fifty-five million, five hundred fifty-three thousand, three".