552243121432 has 64 divisors (see below), whose sum is σ = 1108658970720. Its totient is φ = 256969801728.

The previous prime is 552243121421. The next prime is 552243121433. The reversal of 552243121432 is 234121342255.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (552243121433) 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, 15192223 + ... + 15228529.

Almost surely, 2^552243121432 is an apocalyptic number.

It is an amenable number.

552243121432 is an abundant number, since it is smaller than the sum of its proper divisors (556415849288).

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

552243121432 is a wasteful number, since it uses less digits than its factorization.

552243121432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37580 (or 37576 counting only the distinct ones).

The product of its digits is 57600, while the sum is 34.

Adding to 552243121432 its reverse (234121342255), we get a palindrome (786364463687).

The spelling of 552243121432 in words is "five hundred fifty-two billion, two hundred forty-three million, one hundred twenty-one thousand, four hundred thirty-two".