54212212 has 6 divisors (see below), whose sum is σ = 94871378. Its totient is φ = 27106104.

The previous prime is 54212203. The next prime is 54212243. The reversal of 54212212 is 21221245.

It can be written as a sum of positive squares in only one way, i.e., 35928036 + 18284176 = 5994^2 + 4276^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 54212212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6776523 + ... + 6776530.

Almost surely, 2^54212212 is an apocalyptic number.

It is an amenable number.

54212212 is a deficient number, since it is larger than the sum of its proper divisors (40659166).

54212212 is a wasteful number, since it uses less digits than its factorization.

54212212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13553057 (or 13553055 counting only the distinct ones).

The product of its digits is 320, while the sum is 19.

The square root of 54212212 is about 7362.8942678813. The cubic root of 54212212 is about 378.4707980917.

Adding to 54212212 its reverse (21221245), we get a palindrome (75433457).

The spelling of 54212212 in words is "fifty-four million, two hundred twelve thousand, two hundred twelve".