550606056 has 384 divisors, whose sum is σ = 1947939840. Its totient is φ = 125798400.

The previous prime is 550606051. The next prime is 550606103. The reversal of 550606056 is 650606055.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (550606051) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 12804771 + ... + 12804813.

It is an arithmetic number, because the mean of its divisors is an integer number (5072760).

Almost surely, 2^550606056 is an apocalyptic number.

550606056 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 550606056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (973969920).

550606056 is an abundant number, since it is smaller than the sum of its proper divisors (1397333784).

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

550606056 is a wasteful number, since it uses less digits than its factorization.

550606056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137 (or 120 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 33.

The square root of 550606056 is about 23464.9963988917. The cubic root of 550606056 is about 819.6221022950.

Subtracting 550606056 from its reverse (650606055), we obtain a palindrome (99999999).

It can be divided in two parts, 55060 and 6056, that added together give a palindrome (61116).

The spelling of 550606056 in words is "five hundred fifty million, six hundred six thousand, fifty-six".