55452212 has 12 divisors (see below), whose sum is σ = 98686560. Its totient is φ = 27256056.

The previous prime is 55452193. The next prime is 55452223. The reversal of 55452212 is 21225455.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 117248 + ... + 117719.

It is an arithmetic number, because the mean of its divisors is an integer number (8223880).

Almost surely, 2^55452212 is an apocalyptic number.

It is an amenable number.

55452212 is a deficient number, since it is larger than the sum of its proper divisors (43234348).

55452212 is a wasteful number, since it uses less digits than its factorization.

55452212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235030 (or 235028 counting only the distinct ones).

The product of its digits is 4000, while the sum is 26.

The square root of 55452212 is about 7446.6242016097. The cubic root of 55452212 is about 381.3346696477.

Adding to 55452212 its reverse (21225455), we get a palindrome (76677667).

The spelling of 55452212 in words is "fifty-five million, four hundred fifty-two thousand, two hundred twelve".