2550553000 has 64 divisors (see below), whose sum is σ = 6027624720. Its totient is φ = 1010080000.

The previous prime is 2550552971. The next prime is 2550553037. The reversal of 2550553000 is 3550552.

It can be written as a sum of positive squares in 8 ways, for example, as 1206450756 + 1344102244 = 34734^2 + 36662^2 .

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

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, 88374 + ... + 113626.

Almost surely, 2^2550553000 is an apocalyptic number.

2550553000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2550553000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3013812360).

2550553000 is an abundant number, since it is smaller than the sum of its proper divisors (3477071720).

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

2550553000 is a wasteful number, since it uses less digits than its factorization.

2550553000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25375 (or 25361 counting only the distinct ones).

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

The square root of 2550553000 is about 50502.9999108964. Note that the first 4 decimals coincide. The cubic root of 2550553000 is about 1366.2959600013.

The spelling of 2550553000 in words is "two billion, five hundred fifty million, five hundred fifty-three thousand".