555221413432 has 16 divisors (see below), whose sum is σ = 1189760171760. Its totient is φ = 237952034304.

The previous prime is 555221413427. The next prime is 555221413447. The reversal of 555221413432 is 234314122555.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 555221413391 and 555221413400.

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 3 ways as a sum of consecutive naturals, for example, 4957333993 + ... + 4957334104.

It is an arithmetic number, because the mean of its divisors is an integer number (74360010735).

Almost surely, 2^555221413432 is an apocalyptic number.

It is an amenable number.

555221413432 is an abundant number, since it is smaller than the sum of its proper divisors (634538758328).

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

555221413432 is a wasteful number, since it uses less digits than its factorization.

555221413432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9914668110 (or 9914668106 counting only the distinct ones).

The product of its digits is 144000, while the sum is 37.

Adding to 555221413432 its reverse (234314122555), we get a palindrome (789535535987).

The spelling of 555221413432 in words is "five hundred fifty-five billion, two hundred twenty-one million, four hundred thirteen thousand, four hundred thirty-two".