550616605560 has 768 divisors, whose sum is σ = 2159347507200. Its totient is φ = 119066112000.

The previous prime is 550616605541. The next prime is 550616605573. The reversal of 550616605560 is 65506616055.

It is a Harshad number since it is a multiple of its sum of digits (45).

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 191 ways as a sum of consecutive naturals, for example, 555616665 + ... + 555617655.

It is an arithmetic number, because the mean of its divisors is an integer number (2811650400).

Almost surely, 2^550616605560 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 550616605560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1079673753600).

550616605560 is an abundant number, since it is smaller than the sum of its proper divisors (1608730901640).

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

550616605560 is a wasteful number, since it uses less digits than its factorization.

550616605560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1212 (or 1205 counting only the distinct ones).

The product of its (nonzero) digits is 810000, while the sum is 45.

The spelling of 550616605560 in words is "five hundred fifty billion, six hundred sixteen million, six hundred five thousand, five hundred sixty".