2556880903 has 8 divisors (see below), whose sum is σ = 2800640880. Its totient is φ = 2323493760.

The previous prime is 2556880889. The next prime is 2556880919. The reversal of 2556880903 is 3090886552.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2556880903 - 2⁵ = 2556880871 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2556880943) 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, 2592693 + ... + 2593678.

It is an arithmetic number, because the mean of its divisors is an integer number (350080110).

Almost surely, 2^2556880903 is an apocalyptic number.

2556880903 is a deficient number, since it is larger than the sum of its proper divisors (243759977).

2556880903 is a wasteful number, since it uses less digits than its factorization.

2556880903 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5186417.

The product of its (nonzero) digits is 518400, while the sum is 46.

The square root of 2556880903 is about 50565.6098845846. The cubic root of 2556880903 is about 1367.4249502108.

The spelling of 2556880903 in words is "two billion, five hundred fifty-six million, eight hundred eighty thousand, nine hundred three".