550504056 has 64 divisors (see below), whose sum is σ = 1420202880. Its totient is φ = 177690240.

The previous prime is 550504039. The next prime is 550504063. The reversal of 550504056 is 650405055.

It is a super-3 number, since 3×550504056³ (a number of 27 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

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, 200211 + ... + 202941.

It is an arithmetic number, because the mean of its divisors is an integer number (22190670).

Almost surely, 2^550504056 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 550504056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (710101440).

550504056 is an abundant number, since it is smaller than the sum of its proper divisors (869698824).

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

550504056 is a wasteful number, since it uses less digits than its factorization.

550504056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3004 (or 3000 counting only the distinct ones).

The product of its (nonzero) digits is 15000, while the sum is 30.

The square root of 550504056 is about 23462.8228480718. The cubic root of 550504056 is about 819.5714873914.

Subtracting 550504056 from its reverse (650405055), we obtain a palindrome (99900999).

The spelling of 550504056 in words is "five hundred fifty million, five hundred four thousand, fifty-six".