2545564454 has 32 divisors (see below), whose sum is σ = 3966693120. Its totient is φ = 1224523872.

The previous prime is 2545564453. The next prime is 2545564457. The reversal of 2545564454 is 4544655452.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2545564451) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1167137 + ... + 1169315.

It is an arithmetic number, because the mean of its divisors is an integer number (123959160).

Almost surely, 2^2545564454 is an apocalyptic number.

2545564454 is a deficient number, since it is larger than the sum of its proper divisors (1421128666).

2545564454 is a wasteful number, since it uses less digits than its factorization.

2545564454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2444.

The product of its digits is 1920000, while the sum is 44.

The square root of 2545564454 is about 50453.5871271806. The cubic root of 2545564454 is about 1365.4046136014.

The spelling of 2545564454 in words is "two billion, five hundred forty-five million, five hundred sixty-four thousand, four hundred fifty-four".