56554305617773 has 16 divisors (see below), whose sum is σ = 61816401884160. Its totient is φ = 51507457747200.

The previous prime is 56554305617749. The next prime is 56554305617783. The reversal of 56554305617773 is 37771650345565.

It is a cyclic number.

It is not a de Polignac number, because 56554305617773 - 2⁴⁵ = 21369933528941 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56554305617783) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5538223 + ... + 11990851.

It is an arithmetic number, because the mean of its divisors is an integer number (3863525117760).

Almost surely, 2^{56554305617773} is an apocalyptic number.

It is an amenable number.

56554305617773 is a deficient number, since it is larger than the sum of its proper divisors (5262096266387).

56554305617773 is a wasteful number, since it uses less digits than its factorization.

56554305617773 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6469308.

The product of its (nonzero) digits is 277830000, while the sum is 64.

The spelling of 56554305617773 in words is "fifty-six trillion, five hundred fifty-four billion, three hundred five million, six hundred seventeen thousand, seven hundred seventy-three".