54222312 has 32 divisors (see below), whose sum is σ = 138710880. Its totient is φ = 17653440.

The previous prime is 54222281. The next prime is 54222319. The reversal of 54222312 is 21322245.

It is not an unprimeable number, because it can be changed into a prime (54222319) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25239 + ... + 27302.

It is an arithmetic number, because the mean of its divisors is an integer number (4334715).

Almost surely, 2^54222312 is an apocalyptic number.

It is an amenable number.

54222312 is an abundant number, since it is smaller than the sum of its proper divisors (84488568).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

54222312 is a wasteful number, since it uses less digits than its factorization.

54222312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52593 (or 52589 counting only the distinct ones).

The product of its digits is 960, while the sum is 21.

The square root of 54222312 is about 7363.5801075292. The cubic root of 54222312 is about 378.4943002852.

Adding to 54222312 its reverse (21322245), we get a palindrome (75544557).

The spelling of 54222312 in words is "fifty-four million, two hundred twenty-two thousand, three hundred twelve".