550213451320 has 32 divisors (see below), whose sum is σ = 1333209517920. Its totient is φ = 203155735680.

The previous prime is 550213451309. The next prime is 550213451339. The reversal of 550213451320 is 23154312055.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 529050876 + ... + 529051915.

It is an arithmetic number, because the mean of its divisors is an integer number (41662797435).

Almost surely, 2^550213451320 is an apocalyptic number.

It is an amenable number.

550213451320 is an abundant number, since it is smaller than the sum of its proper divisors (782996066600).

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

550213451320 is a wasteful number, since it uses less digits than its factorization.

550213451320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1058102815 (or 1058102811 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 31.

Adding to 550213451320 its reverse (23154312055), we get a palindrome (573367763375).

The spelling of 550213451320 in words is "five hundred fifty billion, two hundred thirteen million, four hundred fifty-one thousand, three hundred twenty".