550556508 has 12 divisors (see below), whose sum is σ = 1284631880. Its totient is φ = 183518832.

The previous prime is 550556467. The next prime is 550556599. The reversal of 550556508 is 805655055.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×550556508² = 606224937002308128, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 22939843 + ... + 22939866.

Almost surely, 2^550556508 is an apocalyptic number.

It is an amenable number.

550556508 is an abundant number, since it is smaller than the sum of its proper divisors (734075372).

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

550556508 is a wasteful number, since it uses less digits than its factorization.

550556508 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45879716 (or 45879714 counting only the distinct ones).

The product of its (nonzero) digits is 150000, while the sum is 39.

The square root of 550556508 is about 23463.9405897645. The cubic root of 550556508 is about 819.5975161421.

The spelling of 550556508 in words is "five hundred fifty million, five hundred fifty-six thousand, five hundred eight".