55433839423 has 4 divisors (see below), whose sum is σ = 55638392608. Its totient is φ = 55229286240.

The previous prime is 55433839397. The next prime is 55433839427. The reversal of 55433839423 is 32493833455.

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

It is a cyclic number.

It is not a de Polignac number, because 55433839423 - 2²⁵ = 55400284991 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55433839427) 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 3 ways as a sum of consecutive naturals, for example, 102276186 + ... + 102276727.

It is an arithmetic number, because the mean of its divisors is an integer number (13909598152).

Almost surely, 2^55433839423 is an apocalyptic number.

55433839423 is a deficient number, since it is larger than the sum of its proper divisors (204553185).

55433839423 is a wasteful number, since it uses less digits than its factorization.

55433839423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204553184.

The product of its digits is 4665600, while the sum is 49.

The spelling of 55433839423 in words is "fifty-five billion, four hundred thirty-three million, eight hundred thirty-nine thousand, four hundred twenty-three".