54321211 has 4 divisors (see below), whose sum is σ = 62081392. Its totient is φ = 46561032.

The previous prime is 54321203. The next prime is 54321221. The reversal of 54321211 is 11212345.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11212345 = 5 ⋅2242469.

It is not a de Polignac number, because 54321211 - 2³ = 54321203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54321221) 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, 3880080 + ... + 3880093.

It is an arithmetic number, because the mean of its divisors is an integer number (15520348).

Almost surely, 2^54321211 is an apocalyptic number.

54321211 is a deficient number, since it is larger than the sum of its proper divisors (7760181).

54321211 is an equidigital number, since it uses as much as digits as its factorization.

54321211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7760180.

The product of its digits is 240, while the sum is 19.

The square root of 54321211 is about 7370.2924636679. The cubic root of 54321211 is about 378.7242792425.

Adding to 54321211 its reverse (11212345), we get a palindrome (65533556).

The spelling of 54321211 in words is "fifty-four million, three hundred twenty-one thousand, two hundred eleven".