550120232544 has 96 divisors (see below), whose sum is σ = 1446586573824. Its totient is φ = 183053644800.

The previous prime is 550120232447. The next prime is 550120232549. The reversal of 550120232544 is 445232021055.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550120232549) 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, 233992969 + ... + 233995319.

It is an arithmetic number, because the mean of its divisors is an integer number (15068610144).

Almost surely, 2^550120232544 is an apocalyptic number.

It is an amenable number.

550120232544 is an abundant number, since it is smaller than the sum of its proper divisors (896466341280).

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

550120232544 is a wasteful number, since it uses less digits than its factorization.

550120232544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5580 (or 5572 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 33.

Adding to 550120232544 its reverse (445232021055), we get a palindrome (995352253599).

The spelling of 550120232544 in words is "five hundred fifty billion, one hundred twenty million, two hundred thirty-two thousand, five hundred forty-four".