54173723 has 4 divisors (see below), whose sum is σ = 54201168. Its totient is φ = 54146280.

The previous prime is 54173699. The next prime is 54173729. The reversal of 54173723 is 32737145.

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 54173723 - 2⁶ = 54173659 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 54173723.

It is not an unprimeable number, because it can be changed into a prime (54173729) 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, 10511 + ... + 14792.

It is an arithmetic number, because the mean of its divisors is an integer number (13550292).

Almost surely, 2^54173723 is an apocalyptic number.

54173723 is a deficient number, since it is larger than the sum of its proper divisors (27445).

54173723 is a wasteful number, since it uses less digits than its factorization.

54173723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27444.

The product of its digits is 17640, while the sum is 32.

The square root of 54173723 is about 7360.2800897792. The cubic root of 54173723 is about 378.3812093518.

The spelling of 54173723 in words is "fifty-four million, one hundred seventy-three thousand, seven hundred twenty-three".