550746036 has 72 divisors (see below), whose sum is σ = 1435443464. Its totient is φ = 177914880.

The previous prime is 550745959. The next prime is 550746037. The reversal of 550746036 is 630647055.

550746036 is a `hidden beast` number, since 550 + 74 + 6 + 0 + 36 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 137030436 + 413715600 = 11706^2 + 20340^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550746037) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 416256 + ... + 417576.

Almost surely, 2^550746036 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 550746036, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (717721732).

550746036 is an abundant number, since it is smaller than the sum of its proper divisors (884697428).

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

550746036 is a wasteful number, since it uses less digits than its factorization.

550746036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1681 (or 1676 counting only the distinct ones).

The product of its (nonzero) digits is 75600, while the sum is 36.

The square root of 550746036 is about 23467.9789500502. The cubic root of 550746036 is about 819.6915536323.

The spelling of 550746036 in words is "five hundred fifty million, seven hundred forty-six thousand, thirty-six".