550157056 has 72 divisors (see below), whose sum is σ = 1153797120. Its totient is φ = 261313536.

The previous prime is 550157053. The next prime is 550157087. The reversal of 550157056 is 650751055.

It is not an unprimeable number, because it can be changed into a prime (550157051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1312815 + ... + 1313233.

It is an arithmetic number, because the mean of its divisors is an integer number (16024960).

Almost surely, 2^550157056 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 550157056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (576898560).

550157056 is an abundant number, since it is smaller than the sum of its proper divisors (603640064).

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

550157056 is a wasteful number, since it uses less digits than its factorization.

550157056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 681 (or 667 counting only the distinct ones).

The product of its (nonzero) digits is 26250, while the sum is 34.

The square root of 550157056 is about 23455.4270052796. The cubic root of 550157056 is about 819.3992506461.

The spelling of 550157056 in words is "five hundred fifty million, one hundred fifty-seven thousand, fifty-six".