2543213553 has 8 divisors (see below), whose sum is σ = 3391197600. Its totient is φ = 1695352608.

The previous prime is 2543213527. The next prime is 2543213567. The reversal of 2543213553 is 3553123452.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2543213553 - 2⁹ = 2543213041 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2543213513) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 42058 + ... + 82796.

It is an arithmetic number, because the mean of its divisors is an integer number (423899700).

Almost surely, 2^2543213553 is an apocalyptic number.

It is an amenable number.

2543213553 is a deficient number, since it is larger than the sum of its proper divisors (847984047).

2543213553 is a wasteful number, since it uses less digits than its factorization.

2543213553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61551.

The product of its digits is 54000, while the sum is 33.

The square root of 2543213553 is about 50430.2840860529. The cubic root of 2543213553 is about 1364.9841541721.

The spelling of 2543213553 in words is "two billion, five hundred forty-three million, two hundred thirteen thousand, five hundred fifty-three".