2552775553 has 4 divisors (see below), whose sum is σ = 2553416640. Its totient is φ = 2552134468.

The previous prime is 2552775551. The next prime is 2552775557. The reversal of 2552775553 is 3555772552.

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 not a de Polignac number, because 2552775553 - 2¹ = 2552775551 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2552775551) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 314533 + ... + 322546.

It is an arithmetic number, because the mean of its divisors is an integer number (638354160).

Almost surely, 2^2552775553 is an apocalyptic number.

It is an amenable number.

2552775553 is a deficient number, since it is larger than the sum of its proper divisors (641087).

2552775553 is an equidigital number, since it uses as much as digits as its factorization.

2552775553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 641086.

The product of its digits is 1837500, while the sum is 46.

The square root of 2552775553 is about 50524.9992874814. Note that the first 3 decimals coincide. The cubic root of 2552775553 is about 1366.6927084138.

The spelling of 2552775553 in words is "two billion, five hundred fifty-two million, seven hundred seventy-five thousand, five hundred fifty-three".