2553955919 has 4 divisors (see below), whose sum is σ = 2560200720. Its totient is φ = 2547711120.

The previous prime is 2553955913. The next prime is 2553955939. The reversal of 2553955919 is 9195593552.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2553955919 is a prime.

It is a super-2 number, since 2×2553955919² = 13045381672390269122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2553955913) 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, 3121787 + ... + 3122604.

It is an arithmetic number, because the mean of its divisors is an integer number (640050180).

Almost surely, 2^2553955919 is an apocalyptic number.

2553955919 is a deficient number, since it is larger than the sum of its proper divisors (6244801).

2553955919 is an equidigital number, since it uses as much as digits as its factorization.

2553955919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6244800.

The product of its digits is 2733750, while the sum is 53.

The square root of 2553955919 is about 50536.6789470776. The cubic root of 2553955919 is about 1366.9033221812.

The spelling of 2553955919 in words is "two billion, five hundred fifty-three million, nine hundred fifty-five thousand, nine hundred nineteen".