2557893500 has 24 divisors (see below), whose sum is σ = 5586440496. Its totient is φ = 1023157200.

The previous prime is 2557893463. The next prime is 2557893511. The reversal of 2557893500 is 53987552.

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, 2557394 + ... + 2558393.

It is an arithmetic number, because the mean of its divisors is an integer number (232768354).

Almost surely, 2^2557893500 is an apocalyptic number.

2557893500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2557893500 is an abundant number, since it is smaller than the sum of its proper divisors (3028546996).

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

2557893500 is a wasteful number, since it uses less digits than its factorization.

2557893500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5115806 (or 5115794 counting only the distinct ones).

The product of its (nonzero) digits is 378000, while the sum is 44.

The square root of 2557893500 is about 50575.6215977619. The cubic root of 2557893500 is about 1367.6054393443.

The spelling of 2557893500 in words is "two billion, five hundred fifty-seven million, eight hundred ninety-three thousand, five hundred".