55331403340412 has 24 divisors (see below), whose sum is σ = 97118276031504. Its totient is φ = 27583326150912.

The previous prime is 55331403340403. The next prime is 55331403340487. The reversal of 55331403340412 is 21404330413355.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 210745883 + ... + 211008269.

It is an arithmetic number, because the mean of its divisors is an integer number (4046594834646).

Almost surely, 2^{55331403340412} is an apocalyptic number.

It is an amenable number.

55331403340412 is a deficient number, since it is larger than the sum of its proper divisors (41786872691092).

55331403340412 is a wasteful number, since it uses less digits than its factorization.

55331403340412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 419165 (or 419163 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 38.

Adding to 55331403340412 its reverse (21404330413355), we get a palindrome (76735733753767).

The spelling of 55331403340412 in words is "fifty-five trillion, three hundred thirty-one billion, four hundred three million, three hundred forty thousand, four hundred twelve".