2550120553 has 4 divisors (see below), whose sum is σ = 2582400640. Its totient is φ = 2517840468.

The previous prime is 2550120541. The next prime is 2550120577. The reversal of 2550120553 is 3550210552.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2550120553 is a prime.

It is a super-2 number, since 2×2550120553² = 13006229669666051618, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2550120953) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16139925 + ... + 16140082.

It is an arithmetic number, because the mean of its divisors is an integer number (645600160).

Almost surely, 2^2550120553 is an apocalyptic number.

It is an amenable number.

2550120553 is a deficient number, since it is larger than the sum of its proper divisors (32280087).

2550120553 is an equidigital number, since it uses as much as digits as its factorization.

2550120553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32280086.

The product of its (nonzero) digits is 7500, while the sum is 28.

The square root of 2550120553 is about 50498.7183302705. The cubic root of 2550120553 is about 1366.2187370115.

The spelling of 2550120553 in words is "two billion, five hundred fifty million, one hundred twenty thousand, five hundred fifty-three".