55705322742664 has 32 divisors (see below), whose sum is σ = 119371978224000. Its totient is φ = 23873023848960.

The previous prime is 55705322742659. The next prime is 55705322742697. The reversal of 55705322742664 is 46624722350755.

It is a junction number, because it is equal to n+sod(n) for n = 55705322742599 and 55705322742608.

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, 12320572 + ... + 16223659.

It is an arithmetic number, because the mean of its divisors is an integer number (3730374319500).

Almost surely, 2^{55705322742664} is an apocalyptic number.

It is an amenable number.

55705322742664 is an abundant number, since it is smaller than the sum of its proper divisors (63666655481336).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55705322742664 is a wasteful number, since it uses less digits than its factorization.

55705322742664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28579093 (or 28579089 counting only the distinct ones).

The product of its (nonzero) digits is 84672000, while the sum is 58.

The spelling of 55705322742664 in words is "fifty-five trillion, seven hundred five billion, three hundred twenty-two million, seven hundred forty-two thousand, six hundred sixty-four".