550560564 has 60 divisors (see below), whose sum is σ = 1446676000. Its totient is φ = 182576592.

The previous prime is 550560557. The next prime is 550560581. The reversal of 550560564 is 465065055.

It is a happy number.

550560564 is a `hidden beast` number, since 550 + 56 + 0 + 56 + 4 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 60207 + ... + 68745.

Almost surely, 2^550560564 is an apocalyptic number.

550560564 is a gapful number since it is divisible by the number (54) 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 550560564, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (723338000).

550560564 is an abundant number, since it is smaller than the sum of its proper divisors (896115436).

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

550560564 is a wasteful number, since it uses less digits than its factorization.

550560564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8754 (or 8743 counting only the distinct ones).

The product of its (nonzero) digits is 90000, while the sum is 36.

The square root of 550560564 is about 23464.0270201004. The cubic root of 550560564 is about 819.5995288203.

The spelling of 550560564 in words is "five hundred fifty million, five hundred sixty thousand, five hundred sixty-four".