555431132 has 6 divisors (see below), whose sum is σ = 972004488. Its totient is φ = 277715564.

The previous prime is 555431119. The next prime is 555431137. The reversal of 555431132 is 231134555.

It is a junction number, because it is equal to n+sod(n) for n = 555431095 and 555431104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (555431137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69428888 + ... + 69428895.

It is an arithmetic number, because the mean of its divisors is an integer number (162000748).

Almost surely, 2^555431132 is an apocalyptic number.

It is an amenable number.

555431132 is a deficient number, since it is larger than the sum of its proper divisors (416573356).

555431132 is a wasteful number, since it uses less digits than its factorization.

555431132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138857787 (or 138857785 counting only the distinct ones).

The product of its digits is 9000, while the sum is 29.

The square root of 555431132 is about 23567.5864695560. The cubic root of 555431132 is about 822.0093158863.

Adding to 555431132 its reverse (231134555), we get a palindrome (786565687).

The spelling of 555431132 in words is "five hundred fifty-five million, four hundred thirty-one thousand, one hundred thirty-two".