2543750455 has 4 divisors (see below), whose sum is σ = 3052500552. Its totient is φ = 2035000360.

The previous prime is 2543750449. The next prime is 2543750479. The reversal of 2543750455 is 5540573452.

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

It is not a de Polignac number, because 2543750455 - 2²⁵ = 2510196023 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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, 254375041 + ... + 254375050.

It is an arithmetic number, because the mean of its divisors is an integer number (763125138).

Almost surely, 2^2543750455 is an apocalyptic number.

2543750455 is a deficient number, since it is larger than the sum of its proper divisors (508750097).

2543750455 is an equidigital number, since it uses as much as digits as its factorization.

2543750455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 508750096.

The product of its (nonzero) digits is 420000, while the sum is 40.

The square root of 2543750455 is about 50435.6070152824. The cubic root of 2543750455 is about 1365.0802020974.

The spelling of 2543750455 in words is "two billion, five hundred forty-three million, seven hundred fifty thousand, four hundred fifty-five".