55203036323 has 4 divisors (see below), whose sum is σ = 55234103400. Its totient is φ = 55171969248.

The previous prime is 55203036257. The next prime is 55203036337. The reversal of 55203036323 is 32363030255.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32363030255 = 5 ⋅6472606051.

It is a cyclic number.

It is not a de Polignac number, because 55203036323 - 2⁸ = 55203036067 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 55203036323.

It is not an unprimeable number, because it can be changed into a prime (55203036353) 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, 15530873 + ... + 15534426.

It is an arithmetic number, because the mean of its divisors is an integer number (13808525850).

Almost surely, 2^55203036323 is an apocalyptic number.

55203036323 is a deficient number, since it is larger than the sum of its proper divisors (31067077).

55203036323 is a wasteful number, since it uses less digits than its factorization.

55203036323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31067076.

The product of its (nonzero) digits is 48600, while the sum is 32.

Adding to 55203036323 its reverse (32363030255), we get a palindrome (87566066578).

The spelling of 55203036323 in words is "fifty-five billion, two hundred three million, thirty-six thousand, three hundred twenty-three".