2557798504 has 16 divisors (see below), whose sum is σ = 4796688420. Its totient is φ = 1278681600.

The previous prime is 2557798459. The next prime is 2557798531. The reversal of 2557798504 is 4058977552.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2359044900 + 198753604 = 48570^2 + 14098^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29752 + ... + 77464.

Almost surely, 2^2557798504 is an apocalyptic number.

It is an amenable number.

2557798504 is a deficient number, since it is larger than the sum of its proper divisors (2238889916).

2557798504 is a wasteful number, since it uses less digits than its factorization.

2557798504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54420 (or 54416 counting only the distinct ones).

The product of its (nonzero) digits is 3528000, while the sum is 52.

The square root of 2557798504 is about 50574.6824409210. The cubic root of 2557798504 is about 1367.5885089216.

The spelling of 2557798504 in words is "two billion, five hundred fifty-seven million, seven hundred ninety-eight thousand, five hundred four".