55353231442 has 8 divisors (see below), whose sum is σ = 83835962496. Its totient is φ = 27407910612.

The previous prime is 55353231433. The next prime is 55353231443. The reversal of 55353231442 is 24413235355.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (55353231443) by changing a digit.

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, 134352298 + ... + 134352709.

It is an arithmetic number, because the mean of its divisors is an integer number (10479495312).

Almost surely, 2^55353231442 is an apocalyptic number.

55353231442 is a deficient number, since it is larger than the sum of its proper divisors (28482731054).

55353231442 is a wasteful number, since it uses less digits than its factorization.

55353231442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268705112.

The product of its digits is 216000, while the sum is 37.

Adding to 55353231442 its reverse (24413235355), we get a palindrome (79766466797).

The spelling of 55353231442 in words is "fifty-five billion, three hundred fifty-three million, two hundred thirty-one thousand, four hundred forty-two".