551855212 has 12 divisors (see below), whose sum is σ = 966421456. Its totient is φ = 275734800.

The previous prime is 551855177. The next prime is 551855219. The reversal of 551855212 is 212558155.

It is not an unprimeable number, because it can be changed into a prime (551855219) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41664 + ... + 53287.

Almost surely, 2^551855212 is an apocalyptic number.

It is an amenable number.

551855212 is a deficient number, since it is larger than the sum of its proper divisors (414566244).

551855212 is a wasteful number, since it uses less digits than its factorization.

551855212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96408 (or 96406 counting only the distinct ones).

The product of its digits is 20000, while the sum is 34.

The square root of 551855212 is about 23491.5987535970. The cubic root of 551855212 is about 820.2414577451.

The spelling of 551855212 in words is "five hundred fifty-one million, eight hundred fifty-five thousand, two hundred twelve".