550643611340532 has 48 divisors (see below), whose sum is σ = 1295068629818880. Its totient is φ = 182087957285472.

The previous prime is 550643611340521. The next prime is 550643611340561. The reversal of 550643611340532 is 235043116346055.

It is a super-2 number, since 2×550643611340532² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 124109928 + ... + 128470079.

It is an arithmetic number, because the mean of its divisors is an integer number (26980596454560).

Almost surely, 2^{550643611340532} is an apocalyptic number.

It is an amenable number.

550643611340532 is an abundant number, since it is smaller than the sum of its proper divisors (744425018478348).

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

550643611340532 is a wasteful number, since it uses less digits than its factorization.

550643611340532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252581460 (or 252581458 counting only the distinct ones).

The product of its (nonzero) digits is 3888000, while the sum is 48.

Adding to 550643611340532 its reverse (235043116346055), we get a palindrome (785686727686587).

The spelling of 550643611340532 in words is "five hundred fifty trillion, six hundred forty-three billion, six hundred eleven million, three hundred forty thousand, five hundred thirty-two".