2550530500 has 48 divisors (see below), whose sum is σ = 6366132864. Its totient is φ = 874466400.

The previous prime is 2550530471. The next prime is 2550530503. The reversal of 2550530500 is 50350552.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (2550530503) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 360862 + ... + 367861.

It is an arithmetic number, because the mean of its divisors is an integer number (132627768).

Almost surely, 2^2550530500 is an apocalyptic number.

2550530500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2550530500 is an abundant number, since it is smaller than the sum of its proper divisors (3815602364).

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

2550530500 is a wasteful number, since it uses less digits than its factorization.

2550530500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 728749 (or 728737 counting only the distinct ones).

The product of its (nonzero) digits is 3750, while the sum is 25.

The square root of 2550530500 is about 50502.7771513607. Note that the first 3 decimals coincide. The cubic root of 2550530500 is about 1366.2919423433.

The spelling of 2550530500 in words is "two billion, five hundred fifty million, five hundred thirty thousand, five hundred".