2553884978 has 16 divisors (see below), whose sum is σ = 3865545600. Its totient is φ = 1265415696.

The previous prime is 2553884969. The next prime is 2553884989. The reversal of 2553884978 is 8794883552.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 102551 + ... + 124997.

It is an arithmetic number, because the mean of its divisors is an integer number (241596600).

Almost surely, 2^2553884978 is an apocalyptic number.

2553884978 is a deficient number, since it is larger than the sum of its proper divisors (1311660622).

2553884978 is a wasteful number, since it uses less digits than its factorization.

2553884978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22961.

The product of its digits is 19353600, while the sum is 59.

The square root of 2553884978 is about 50535.9770658488. The cubic root of 2553884978 is about 1366.8906659478.

The spelling of 2553884978 in words is "two billion, five hundred fifty-three million, eight hundred eighty-four thousand, nine hundred seventy-eight".