551214212 has 6 divisors (see below), whose sum is σ = 964624878. Its totient is φ = 275607104.

The previous prime is 551214179. The next prime is 551214217. The reversal of 551214212 is 212412155.

It can be written as a sum of positive squares in only one way, i.e., 519110656 + 32103556 = 22784^2 + 5666^2 .

It is not an unprimeable number, because it can be changed into a prime (551214217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68901773 + ... + 68901780.

It is an arithmetic number, because the mean of its divisors is an integer number (160770813).

Almost surely, 2^551214212 is an apocalyptic number.

It is an amenable number.

551214212 is a deficient number, since it is larger than the sum of its proper divisors (413410666).

551214212 is a wasteful number, since it uses less digits than its factorization.

551214212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137803557 (or 137803555 counting only the distinct ones).

The product of its digits is 800, while the sum is 23.

The square root of 551214212 is about 23477.9516142273. The cubic root of 551214212 is about 819.9237545606.

Adding to 551214212 its reverse (212412155), we get a palindrome (763626367).

The spelling of 551214212 in words is "five hundred fifty-one million, two hundred fourteen thousand, two hundred twelve".