2553879381 has 8 divisors (see below), whose sum is σ = 3488225664. Its totient is φ = 1661059680.

The previous prime is 2553879329. The next prime is 2553879389. The reversal of 2553879381 is 1839783552.

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 2553879381 - 2¹⁰ = 2553878357 is a prime.

It is a super-2 number, since 2×2553879381² = 13044599785393886322, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2553879389) 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, 10381501 + ... + 10381746.

It is an arithmetic number, because the mean of its divisors is an integer number (436028208).

Almost surely, 2^2553879381 is an apocalyptic number.

It is an amenable number.

2553879381 is a deficient number, since it is larger than the sum of its proper divisors (934346283).

2553879381 is a wasteful number, since it uses less digits than its factorization.

2553879381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20763291.

The product of its digits is 1814400, while the sum is 51.

The square root of 2553879381 is about 50535.9216894280. The cubic root of 2553879381 is about 1366.8896674047.

The spelling of 2553879381 in words is "two billion, five hundred fifty-three million, eight hundred seventy-nine thousand, three hundred eighty-one".