2555115553 has 8 divisors (see below), whose sum is σ = 2595697920. Its totient is φ = 2514660960.

The previous prime is 2555115547. The next prime is 2555115593. The reversal of 2555115553 is 3555115552.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-2555115553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2555115503) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8776 + ... + 72022.

It is an arithmetic number, because the mean of its divisors is an integer number (324462240).

Almost surely, 2^2555115553 is an apocalyptic number.

It is an amenable number.

2555115553 is a deficient number, since it is larger than the sum of its proper divisors (40582367).

2555115553 is an equidigital number, since it uses as much as digits as its factorization.

2555115553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63887.

The product of its digits is 93750, while the sum is 37.

The square root of 2555115553 is about 50548.1508366033. The cubic root of 2555115553 is about 1367.1101735352.

Subtracting 2555115553 from its reverse (3555115552), we obtain a palindrome (999999999).

The spelling of 2555115553 in words is "two billion, five hundred fifty-five million, one hundred fifteen thousand, five hundred fifty-three".