550025554 has 32 divisors (see below), whose sum is σ = 900733680. Its totient is φ = 250387200.

The previous prime is 550025543. The next prime is 550025561. The reversal of 550025554 is 455520055.

It can be written as a sum of positive squares in 8 ways, for example, as 31416025 + 518609529 = 5605^2 + 22773^2 .

It is a super-2 number, since 2×550025554² = 605056220106013832, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1192884 + ... + 1193344.

Almost surely, 2^550025554 is an apocalyptic number.

550025554 is a deficient number, since it is larger than the sum of its proper divisors (350708126).

550025554 is a wasteful number, since it uses less digits than its factorization.

550025554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1006.

The product of its (nonzero) digits is 25000, while the sum is 31.

The square root of 550025554 is about 23452.6236058996. The cubic root of 550025554 is about 819.3339594561. Note that the first 3 decimals are identical.

The spelling of 550025554 in words is "five hundred fifty million, twenty-five thousand, five hundred fifty-four".