55353121333444 has 48 divisors (see below), whose sum is σ = 108263305668672. Its totient is φ = 24544175040000.

The previous prime is 55353121333429. The next prime is 55353121333451. The reversal of 55353121333444 is 44433312135355.

It is a super-2 number, since 2×55353121333444² (a number of 28 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (46) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 55353121333394 and 55353121333403.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15010579 + ... + 18330949.

It is an arithmetic number, because the mean of its divisors is an integer number (2255485534764).

Almost surely, 2^{55353121333444} is an apocalyptic number.

It is an amenable number.

55353121333444 is a deficient number, since it is larger than the sum of its proper divisors (52910184335228).

55353121333444 is a wasteful number, since it uses less digits than its factorization.

55353121333444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3329668 (or 3329666 counting only the distinct ones).

The product of its digits is 3888000, while the sum is 46.

Adding to 55353121333444 its reverse (44433312135355), we get a palindrome (99786433468799).

The spelling of 55353121333444 in words is "fifty-five trillion, three hundred fifty-three billion, one hundred twenty-one million, three hundred thirty-three thousand, four hundred forty-four".