2545562558 has 64 divisors (see below), whose sum is σ = 5051621376. Its totient is φ = 931392000.

The previous prime is 2545562549. The next prime is 2545562573. The reversal of 2545562558 is 8552655452.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1729763 + ... + 1731233.

It is an arithmetic number, because the mean of its divisors is an integer number (78931584).

Almost surely, 2^2545562558 is an apocalyptic number.

2545562558 is a deficient number, since it is larger than the sum of its proper divisors (2506058818).

2545562558 is a wasteful number, since it uses less digits than its factorization.

2545562558 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2169.

The product of its digits is 2400000, while the sum is 47.

The square root of 2545562558 is about 50453.5683376310. The cubic root of 2545562558 is about 1365.4042746055.

The spelling of 2545562558 in words is "two billion, five hundred forty-five million, five hundred sixty-two thousand, five hundred fifty-eight".