55204012043 has 4 divisors (see below), whose sum is σ = 55205072880. Its totient is φ = 55202951208.

The previous prime is 55204012033. The next prime is 55204012091. The reversal of 55204012043 is 34021040255.

It is a happy number.

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 55204012043 - 2²⁸ = 54935576587 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55204012033) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 448103 + ... + 557856.

It is an arithmetic number, because the mean of its divisors is an integer number (13801268220).

Almost surely, 2^55204012043 is an apocalyptic number.

55204012043 is a deficient number, since it is larger than the sum of its proper divisors (1060837).

55204012043 is a wasteful number, since it uses less digits than its factorization.

55204012043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1060836.

The product of its (nonzero) digits is 4800, while the sum is 26.

Adding to 55204012043 its reverse (34021040255), we get a palindrome (89225052298).

The spelling of 55204012043 in words is "fifty-five billion, two hundred four million, twelve thousand, forty-three".