54166223 has 4 divisors (see below), whose sum is σ = 54207048. Its totient is φ = 54125400.

The previous prime is 54166213. The next prime is 54166303. The reversal of 54166223 is 32266145.

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 54166223 - 2¹⁶ = 54100687 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 (54166213) 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, 18353 + ... + 21098.

It is an arithmetic number, because the mean of its divisors is an integer number (13551762).

Almost surely, 2^54166223 is an apocalyptic number.

54166223 is a deficient number, since it is larger than the sum of its proper divisors (40825).

54166223 is a wasteful number, since it uses less digits than its factorization.

54166223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40824.

The product of its digits is 8640, while the sum is 29.

The square root of 54166223 is about 7359.7705806635. The cubic root of 54166223 is about 378.3637470725.

The spelling of 54166223 in words is "fifty-four million, one hundred sixty-six thousand, two hundred twenty-three".