550541553012 has 72 divisors (see below), whose sum is σ = 1607463591552. Its totient is φ = 157017196800.

The previous prime is 550541553011. The next prime is 550541553019. The reversal of 550541553012 is 210355145055.

550541553012 is a `hidden beast` number, since 5 + 50 + 5 + 41 + 553 + 0 + 12 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550541553011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 40883164 + ... + 40896627.

It is an arithmetic number, because the mean of its divisors is an integer number (22325883216).

Almost surely, 2^550541553012 is an apocalyptic number.

It is an amenable number.

550541553012 is an abundant number, since it is smaller than the sum of its proper divisors (1056922038540).

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

550541553012 is a wasteful number, since it uses less digits than its factorization.

550541553012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81779829 (or 81779824 counting only the distinct ones).

The product of its (nonzero) digits is 75000, while the sum is 36.

Adding to 550541553012 its reverse (210355145055), we get a palindrome (760896698067).

The spelling of 550541553012 in words is "five hundred fifty billion, five hundred forty-one million, five hundred fifty-three thousand, twelve".