2550553317 has 24 divisors (see below), whose sum is σ = 3983380128. Its totient is φ = 1563300000.

The previous prime is 2550553309. The next prime is 2550553337. The reversal of 2550553317 is 7133550552.

2550553317 is a `hidden beast` number, since 25 + 50 + 553 + 31 + 7 = 666.

It is not a de Polignac number, because 2550553317 - 2³ = 2550553309 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2550553337) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14059 + ... + 72792.

It is an arithmetic number, because the mean of its divisors is an integer number (165974172).

Almost surely, 2^2550553317 is an apocalyptic number.

It is an amenable number.

2550553317 is a deficient number, since it is larger than the sum of its proper divisors (1432826811).

2550553317 is a wasteful number, since it uses less digits than its factorization.

2550553317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87121 (or 87118 counting only the distinct ones).

The product of its (nonzero) digits is 78750, while the sum is 36.

The square root of 2550553317 is about 50503.0030493237. The cubic root of 2550553317 is about 1366.2960166055.

The spelling of 2550553317 in words is "two billion, five hundred fifty million, five hundred fifty-three thousand, three hundred seventeen".