550635064 has 64 divisors (see below), whose sum is σ = 1225080000. Its totient is φ = 227017728.

The previous prime is 550635061. The next prime is 550635091. The reversal of 550635064 is 460536055.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550635061) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 663802 + ... + 664630.

It is an arithmetic number, because the mean of its divisors is an integer number (19141875).

Almost surely, 2^550635064 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 550635064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (612540000).

550635064 is an abundant number, since it is smaller than the sum of its proper divisors (674444936).

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

550635064 is a wasteful number, since it uses less digits than its factorization.

550635064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1280 (or 1276 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 34.

The square root of 550635064 is about 23465.6145029275. The cubic root of 550635064 is about 819.6364956350.

Subtracting from 550635064 its reverse (460536055), we obtain a palindrome (90099009).

The spelling of 550635064 in words is "five hundred fifty million, six hundred thirty-five thousand, sixty-four".