55320326132 has 12 divisors (see below), whose sum is σ = 96833256996. Its totient is φ = 27653681280.

The previous prime is 55320326129. The next prime is 55320326183. The reversal of 55320326132 is 23162302355.

It can be written as a sum of positive squares in 2 ways, for example, as 36781869796 + 18538456336 = 191786^2 + 136156^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1601219 + ... + 1635402.

It is an arithmetic number, because the mean of its divisors is an integer number (8069438083).

Almost surely, 2^55320326132 is an apocalyptic number.

It is an amenable number.

55320326132 is a deficient number, since it is larger than the sum of its proper divisors (41512930864).

55320326132 is a wasteful number, since it uses less digits than its factorization.

55320326132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3240898 (or 3240896 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 32.

Adding to 55320326132 its reverse (23162302355), we get a palindrome (78482628487).

The spelling of 55320326132 in words is "fifty-five billion, three hundred twenty million, three hundred twenty-six thousand, one hundred thirty-two".