2553388881 has 8 divisors (see below), whose sum is σ = 3476955264. Its totient is φ = 1666040880.

The previous prime is 2553388867. The next prime is 2553388931. The reversal of 2553388881 is 1888833552.

It is a happy number.

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

It is not a de Polignac number, because 2553388881 - 2²⁹ = 2016517969 is a prime.

It is a super-2 number, since 2×2553388881² = 13039589555228864322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2553388381) 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, 9054430 + ... + 9054711.

It is an arithmetic number, because the mean of its divisors is an integer number (434619408).

Almost surely, 2^2553388881 is an apocalyptic number.

It is an amenable number.

2553388881 is a deficient number, since it is larger than the sum of its proper divisors (923566383).

2553388881 is a wasteful number, since it uses less digits than its factorization.

2553388881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18109191.

The product of its digits is 1843200, while the sum is 51.

The square root of 2553388881 is about 50531.0684727723. The cubic root of 2553388881 is about 1366.8021531817.

The spelling of 2553388881 in words is "two billion, five hundred fifty-three million, three hundred eighty-eight thousand, eight hundred eighty-one".