550504556 has 24 divisors (see below), whose sum is σ = 1158958080. Its totient is φ = 223512912.

The previous prime is 550504547. The next prime is 550504567. The reversal of 550504556 is 655405055.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 516860 + ... + 517923.

It is an arithmetic number, because the mean of its divisors is an integer number (48289920).

Almost surely, 2^550504556 is an apocalyptic number.

It is an amenable number.

550504556 is an abundant number, since it is smaller than the sum of its proper divisors (608453524).

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

550504556 is a wasteful number, since it uses less digits than its factorization.

550504556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1034813 (or 1034811 counting only the distinct ones).

The product of its (nonzero) digits is 75000, while the sum is 35.

The square root of 550504556 is about 23462.8335032238. The cubic root of 550504556 is about 819.5717355189.

The spelling of 550504556 in words is "five hundred fifty million, five hundred four thousand, five hundred fifty-six".