2555500553 has 4 divisors (see below), whose sum is σ = 2555649348. Its totient is φ = 2555351760.

The previous prime is 2555500517. The next prime is 2555500567. The reversal of 2555500553 is 3550055552.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1270779904 + 1284720649 = 35648^2 + 35843^2 .

It is a cyclic number.

It is not a de Polignac number, because 2555500553 - 2²² = 2551306249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2555500573) 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, 44678 + ... + 84303.

It is an arithmetic number, because the mean of its divisors is an integer number (638912337).

Almost surely, 2^2555500553 is an apocalyptic number.

It is an amenable number.

2555500553 is a deficient number, since it is larger than the sum of its proper divisors (148795).

2555500553 is a wasteful number, since it uses less digits than its factorization.

2555500553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148794.

The product of its (nonzero) digits is 93750, while the sum is 35.

The square root of 2555500553 is about 50551.9589432497. The cubic root of 2555500553 is about 1367.1788346156.

The spelling of 2555500553 in words is "two billion, five hundred fifty-five million, five hundred thousand, five hundred fifty-three".