2550000663 has 64 divisors (see below), whose sum is σ = 4677995520. Its totient is φ = 1339462656.

The previous prime is 2550000643. The next prime is 2550000707. The reversal of 2550000663 is 3660000552.

It is not a de Polignac number, because 2550000663 - 2⁶ = 2550000599 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2550000613) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 128931 + ... + 147387.

It is an arithmetic number, because the mean of its divisors is an integer number (73093680).

Almost surely, 2^2550000663 is an apocalyptic number.

2550000663 is a deficient number, since it is larger than the sum of its proper divisors (2127994857).

2550000663 is a wasteful number, since it uses less digits than its factorization.

2550000663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18533 (or 18527 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

The square root of 2550000663 is about 50497.5312564882. The cubic root of 2550000663 is about 1366.1973264510.

The spelling of 2550000663 in words is "two billion, five hundred fifty million, six hundred sixty-three", and thus it is an aban number.