550612720720 has 80 divisors (see below), whose sum is σ = 1355621984640. Its totient is φ = 207403725312.

The previous prime is 550612720717. The next prime is 550612720751. The reversal of 550612720720 is 27027216055.

It is a tau number, because it is divible by the number of its divisors (80).

It is a self number, because there is not a number n which added to its sum of digits gives 550612720720.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 830727 + ... + 1338406.

It is an arithmetic number, because the mean of its divisors is an integer number (16945274808).

Almost surely, 2^550612720720 is an apocalyptic number.

It is an amenable number.

550612720720 is an abundant number, since it is smaller than the sum of its proper divisors (805009263920).

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

550612720720 is a wasteful number, since it uses less digits than its factorization.

550612720720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2169332 (or 2169326 counting only the distinct ones).

The product of its (nonzero) digits is 58800, while the sum is 37.

Adding to 550612720720 its reverse (27027216055), we get a palindrome (577639936775).

The spelling of 550612720720 in words is "five hundred fifty billion, six hundred twelve million, seven hundred twenty thousand, seven hundred twenty".