54023217 has 4 divisors (see below), whose sum is σ = 72030960. Its totient is φ = 36015476.

The previous prime is 54023197. The next prime is 54023227. The reversal of 54023217 is 71232045.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 54023217 - 2⁸ = 54022961 is a prime.

It is not an unprimeable number, because it can be changed into a prime (54023227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9003867 + ... + 9003872.

It is an arithmetic number, because the mean of its divisors is an integer number (18007740).

Almost surely, 2^54023217 is an apocalyptic number.

It is an amenable number.

54023217 is a deficient number, since it is larger than the sum of its proper divisors (18007743).

54023217 is a wasteful number, since it uses less digits than its factorization.

54023217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18007742.

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 54023217 is about 7350.0487753484. The cubic root of 54023217 is about 378.0304768126.

The spelling of 54023217 in words is "fifty-four million, twenty-three thousand, two hundred seventeen".