5551212 has 24 divisors (see below), whose sum is σ = 13132336. Its totient is φ = 1824768.

The previous prime is 5551193. The next prime is 5551237. The reversal of 5551212 is 2121555.

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 7 ways as a sum of consecutive naturals, for example, 2293 + ... + 4044.

Almost surely, 2^5551212 is an apocalyptic number.

It is an amenable number.

5551212 is an abundant number, since it is smaller than the sum of its proper divisors (7581124).

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

5551212 is a wasteful number, since it uses less digits than its factorization.

5551212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6417 (or 6415 counting only the distinct ones).

The product of its digits is 500, while the sum is 21.

The square root of 5551212 is about 2356.1010165101. The cubic root of 5551212 is about 177.0635923307.

Adding to 5551212 its reverse (2121555), we get a palindrome (7672767).

The spelling of 5551212 in words is "five million, five hundred fifty-one thousand, two hundred twelve".