2555050638 has 32 divisors (see below), whose sum is σ = 5856883200. Its totient is φ = 727918560.

The previous prime is 2555050621. The next prime is 2555050681. The reversal of 2555050638 is 8360505552.

2555050638 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2555050596 and 2555050605.

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, 72498 + ... + 101813.

It is an arithmetic number, because the mean of its divisors is an integer number (183027600).

Almost surely, 2^2555050638 is an apocalyptic number.

2555050638 is an abundant number, since it is smaller than the sum of its proper divisors (3301832562).

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

2555050638 is a wasteful number, since it uses less digits than its factorization.

2555050638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174672.

The product of its (nonzero) digits is 180000, while the sum is 39.

The square root of 2555050638 is about 50547.5087219934. The cubic root of 2555050638 is about 1367.0985958842.

The spelling of 2555050638 in words is "two billion, five hundred fifty-five million, fifty thousand, six hundred thirty-eight".