2555783000 has 64 divisors (see below), whose sum is σ = 6240611520. Its totient is φ = 977856000.

The previous prime is 2555782993. The next prime is 2555783039. The reversal of 2555783000 is 3875552.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32561 + ... + 78560.

It is an arithmetic number, because the mean of its divisors is an integer number (97509555).

Almost surely, 2^2555783000 is an apocalyptic number.

2555783000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2555783000 is an abundant number, since it is smaller than the sum of its proper divisors (3684828520).

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

2555783000 is a wasteful number, since it uses less digits than its factorization.

2555783000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111165 (or 111151 counting only the distinct ones).

The product of its (nonzero) digits is 42000, while the sum is 35.

The square root of 2555783000 is about 50554.7524966743. The cubic root of 2555783000 is about 1367.2292019606.

The spelling of 2555783000 in words is "two billion, five hundred fifty-five million, seven hundred eighty-three thousand".