54204137223 has 4 divisors (see below), whose sum is σ = 72272182968. Its totient is φ = 36136091480.

The previous prime is 54204137189. The next prime is 54204137227. The reversal of 54204137223 is 32273140245.

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 54204137223 - 2²⁰ = 54203088647 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54204137227) 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, 9034022868 + ... + 9034022873.

It is an arithmetic number, because the mean of its divisors is an integer number (18068045742).

Almost surely, 2^54204137223 is an apocalyptic number.

54204137223 is a deficient number, since it is larger than the sum of its proper divisors (18068045745).

54204137223 is a wasteful number, since it uses less digits than its factorization.

54204137223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18068045744.

The product of its (nonzero) digits is 40320, while the sum is 33.

Adding to 54204137223 its reverse (32273140245), we get a palindrome (86477277468).

The spelling of 54204137223 in words is "fifty-four billion, two hundred four million, one hundred thirty-seven thousand, two hundred twenty-three".