54115222 has 16 divisors (see below), whose sum is σ = 92892672. Its totient is φ = 23161320.

The previous prime is 54115207. The next prime is 54115223. The reversal of 54115222 is 22251145.

It is a junction number, because it is equal to n+sod(n) for n = 54115193 and 54115202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54115223) 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, 10633 + ... + 14875.

It is an arithmetic number, because the mean of its divisors is an integer number (5805792).

Almost surely, 2^54115222 is an apocalyptic number.

54115222 is a deficient number, since it is larger than the sum of its proper divisors (38777450).

54115222 is a wasteful number, since it uses less digits than its factorization.

54115222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5163.

The product of its digits is 800, while the sum is 22.

The square root of 54115222 is about 7356.3049148333. The cubic root of 54115222 is about 378.2449584745.

Adding to 54115222 its reverse (22251145), we get a palindrome (76366367).

The spelling of 54115222 in words is "fifty-four million, one hundred fifteen thousand, two hundred twenty-two".