54219811 has 4 divisors (see below), whose sum is σ = 55373472. Its totient is φ = 53066152.

The previous prime is 54219797. The next prime is 54219829. The reversal of 54219811 is 11891245.

It is a happy number.

54219811 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 54219811 - 2¹⁵ = 54187043 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54219871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 576760 + ... + 576853.

It is an arithmetic number, because the mean of its divisors is an integer number (13843368).

Almost surely, 2^54219811 is an apocalyptic number.

54219811 is a deficient number, since it is larger than the sum of its proper divisors (1153661).

54219811 is a wasteful number, since it uses less digits than its factorization.

54219811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1153660.

The product of its digits is 2880, while the sum is 31.

The square root of 54219811 is about 7363.4102832859. The cubic root of 54219811 is about 378.4884808555.

The spelling of 54219811 in words is "fifty-four million, two hundred nineteen thousand, eight hundred eleven".