550555012 has 24 divisors (see below), whose sum is σ = 1119164480. Its totient is φ = 232083360.

The previous prime is 550555007. The next prime is 550555021. The reversal of 550555012 is 210555055.

It is a happy number.

It is a super-2 number, since 2×550555012² = 606221642476640288, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (28).

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, 159462 + ... + 162877.

Almost surely, 2^550555012 is an apocalyptic number.

It is an amenable number.

550555012 is an abundant number, since it is smaller than the sum of its proper divisors (568609468).

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

550555012 is a wasteful number, since it uses less digits than its factorization.

550555012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 322411 (or 322409 counting only the distinct ones).

The product of its (nonzero) digits is 6250, while the sum is 28.

The square root of 550555012 is about 23463.9087110396. The cubic root of 550555012 is about 819.5967737908.

The spelling of 550555012 in words is "five hundred fifty million, five hundred fifty-five thousand, twelve".