550525164640 has 192 divisors, whose sum is σ = 1456175423808. Its totient is φ = 194943385600.

The previous prime is 550525164601. The next prime is 550525164653. The reversal of 550525164640 is 46461525055.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 40186272 + ... + 40199968.

It is an arithmetic number, because the mean of its divisors is an integer number (7584246999).

Almost surely, 2^550525164640 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 550525164640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (728087711904).

550525164640 is an abundant number, since it is smaller than the sum of its proper divisors (905650259168).

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

550525164640 is a wasteful number, since it uses less digits than its factorization.

550525164640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14321 (or 14313 counting only the distinct ones).

The product of its (nonzero) digits is 720000, while the sum is 43.

Adding to 550525164640 its reverse (46461525055), we get a palindrome (596986689695).

The spelling of 550525164640 in words is "five hundred fifty billion, five hundred twenty-five million, one hundred sixty-four thousand, six hundred forty".