2555538684 has 24 divisors (see below), whose sum is σ = 6276762240. Its totient is φ = 807012144.

The previous prime is 2555538637. The next prime is 2555538691. The reversal of 2555538684 is 4868355552.

It is a happy number.

2555538684 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

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, 5604024 + ... + 5604479.

It is an arithmetic number, because the mean of its divisors is an integer number (261531760).

Almost surely, 2^2555538684 is an apocalyptic number.

It is an amenable number.

2555538684 is an abundant number, since it is smaller than the sum of its proper divisors (3721223556).

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

2555538684 is a wasteful number, since it uses less digits than its factorization.

2555538684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11208529 (or 11208527 counting only the distinct ones).

The product of its digits is 5760000, while the sum is 51.

The square root of 2555538684 is about 50552.3360884539. The cubic root of 2555538684 is about 1367.1856345406.

The spelling of 2555538684 in words is "two billion, five hundred fifty-five million, five hundred thirty-eight thousand, six hundred eighty-four".