54328219 has 4 divisors (see below), whose sum is σ = 59267160. Its totient is φ = 49389280.

The previous prime is 54328217. The next prime is 54328229. The reversal of 54328219 is 91282345.

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 54328219 - 2¹ = 54328217 is a prime.

It is a super-2 number, since 2×54328219² = 5903110759423922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54328217) 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, 2469454 + ... + 2469475.

It is an arithmetic number, because the mean of its divisors is an integer number (14816790).

Almost surely, 2^54328219 is an apocalyptic number.

54328219 is a deficient number, since it is larger than the sum of its proper divisors (4938941).

54328219 is a wasteful number, since it uses less digits than its factorization.

54328219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4938940.

The product of its digits is 17280, while the sum is 34.

The square root of 54328219 is about 7370.7678704461. The cubic root of 54328219 is about 378.7405649964.

The spelling of 54328219 in words is "fifty-four million, three hundred twenty-eight thousand, two hundred nineteen".