2553955918 has 16 divisors (see below), whose sum is σ = 3864425040. Its totient is φ = 1265841216.

The previous prime is 2553955913. The next prime is 2553955939. The reversal of 2553955918 is 8195593552.

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 7 ways as a sum of consecutive naturals, for example, 196180 + ... + 208792.

It is an arithmetic number, because the mean of its divisors is an integer number (241526565).

Almost surely, 2^2553955918 is an apocalyptic number.

2553955918 is a deficient number, since it is larger than the sum of its proper divisors (1310469122).

2553955918 is a wasteful number, since it uses less digits than its factorization.

2553955918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13491.

The product of its digits is 2430000, while the sum is 52.

The square root of 2553955918 is about 50536.6789371838. The cubic root of 2553955918 is about 1366.9033220028.

The spelling of 2553955918 in words is "two billion, five hundred fifty-three million, nine hundred fifty-five thousand, nine hundred eighteen".