550551342132 has 144 divisors (see below), whose sum is σ = 1611301648320. Its totient is φ = 158052755520.

The previous prime is 550551342127. The next prime is 550551342161. The reversal of 550551342132 is 231243155055.

550551342132 is a `hidden beast` number, since 5 + 5 + 0 + 5 + 513 + 4 + 2 + 132 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 608038 + ... + 1212770.

It is an arithmetic number, because the mean of its divisors is an integer number (11189594780).

Almost surely, 2^550551342132 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 550551342132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (805650824160).

550551342132 is an abundant number, since it is smaller than the sum of its proper divisors (1060750306188).

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

550551342132 is a wasteful number, since it uses less digits than its factorization.

550551342132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 604795 (or 604768 counting only the distinct ones).

The product of its (nonzero) digits is 90000, while the sum is 36.

Adding to 550551342132 its reverse (231243155055), we get a palindrome (781794497187).

The spelling of 550551342132 in words is "five hundred fifty billion, five hundred fifty-one million, three hundred forty-two thousand, one hundred thirty-two".