550705535120 has 160 divisors (see below), whose sum is σ = 1431870791904. Its totient is φ = 195659366400.

The previous prime is 550705535119. The next prime is 550705535129. The reversal of 550705535120 is 21535507055.

It is a happy number.

It can be written as a sum of positive squares in 16 ways, for example, as 340369561744 + 210335973376 = 583412^2 + 458624^2 .

It is not an unprimeable number, because it can be changed into a prime (550705535129) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3024260 + ... + 3201180.

Almost surely, 2^550705535120 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 550705535120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (715935395952).

550705535120 is an abundant number, since it is smaller than the sum of its proper divisors (881165256784).

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

550705535120 is a wasteful number, since it uses less digits than its factorization.

550705535120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177061 (or 177055 counting only the distinct ones).

The product of its (nonzero) digits is 131250, while the sum is 38.

The spelling of 550705535120 in words is "five hundred fifty billion, seven hundred five million, five hundred thirty-five thousand, one hundred twenty".