2542554855 has 12 divisors (see below), whose sum is σ = 4407095160. Its totient is φ = 1356029232.

The previous prime is 2542554851. The next prime is 2542554871. The reversal of 2542554855 is 5584552452.

2542554855 is a `hidden beast` number, since 2 + 5 + 42 + 554 + 8 + 55 = 666.

It is not a de Polignac number, because 2542554855 - 2² = 2542554851 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 56501219 = 2542554855 / (2 + 5 + 4 + 2 + 5 + 5 + 4 + 8 + 5 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 2542554855.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2542554851) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28250565 + ... + 28250654.

It is an arithmetic number, because the mean of its divisors is an integer number (367257930).

Almost surely, 2^2542554855 is an apocalyptic number.

2542554855 is a deficient number, since it is larger than the sum of its proper divisors (1864540305).

2542554855 is a wasteful number, since it uses less digits than its factorization.

2542554855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56501230 (or 56501227 counting only the distinct ones).

The product of its digits is 1600000, while the sum is 45.

The square root of 2542554855 is about 50423.7528849252. The cubic root of 2542554855 is about 1364.8662993467.

The spelling of 2542554855 in words is "two billion, five hundred forty-two million, five hundred fifty-four thousand, eight hundred fifty-five".