2553045656 has 32 divisors (see below), whose sum is σ = 5758752000. Its totient is φ = 1036574496.

The previous prime is 2553045643. The next prime is 2553045661. The reversal of 2553045656 is 6565403552.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1198676 + ... + 1200803.

It is an arithmetic number, because the mean of its divisors is an integer number (179961000).

Almost surely, 2^2553045656 is an apocalyptic number.

It is an amenable number.

2553045656 is an abundant number, since it is smaller than the sum of its proper divisors (3205706344).

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

2553045656 is a wasteful number, since it uses less digits than its factorization.

2553045656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2399511 (or 2399507 counting only the distinct ones).

The product of its (nonzero) digits is 540000, while the sum is 41.

The square root of 2553045656 is about 50527.6721806972. The cubic root of 2553045656 is about 1366.7409088626.

The spelling of 2553045656 in words is "two billion, five hundred fifty-three million, forty-five thousand, six hundred fifty-six".