55331406326 has 24 divisors (see below), whose sum is σ = 96556062456. Its totient is φ = 23711395680.

The previous prime is 55331406311. The next prime is 55331406331. The reversal of 55331406326 is 62360413355.

It is a self number, because there is not a number n which added to its sum of digits gives 55331406326.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1778666 + ... + 1809506.

It is an arithmetic number, because the mean of its divisors is an integer number (4023169269).

Almost surely, 2^55331406326 is an apocalyptic number.

55331406326 is a deficient number, since it is larger than the sum of its proper divisors (41224656130).

55331406326 is a wasteful number, since it uses less digits than its factorization.

55331406326 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49164 (or 49157 counting only the distinct ones).

The product of its (nonzero) digits is 194400, while the sum is 38.

The spelling of 55331406326 in words is "fifty-five billion, three hundred thirty-one million, four hundred six thousand, three hundred twenty-six".