2545562455 has 4 divisors (see below), whose sum is σ = 3054674952. Its totient is φ = 2036449960.

The previous prime is 2545562443. The next prime is 2545562477. The reversal of 2545562455 is 5542655452.

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

It is a de Polignac number, because none of the positive numbers 2^k-2545562455 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 254556241 + ... + 254556250.

It is an arithmetic number, because the mean of its divisors is an integer number (763668738).

Almost surely, 2^2545562455 is an apocalyptic number.

2545562455 is a deficient number, since it is larger than the sum of its proper divisors (509112497).

2545562455 is an equidigital number, since it uses as much as digits as its factorization.

2545562455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 509112496.

The product of its digits is 1200000, while the sum is 43.

The square root of 2545562455 is about 50453.5673168905. The cubic root of 2545562455 is about 1365.4042561896.

The spelling of 2545562455 in words is "two billion, five hundred forty-five million, five hundred sixty-two thousand, four hundred fifty-five".