56573220057673 has 16 divisors (see below), whose sum is σ = 64691782005312. Its totient is φ = 49008925728000.

The previous prime is 56573220057637. The next prime is 56573220057727. The reversal of 56573220057673 is 37675002237565.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 56573220057673 - 2²¹ = 56573217960521 is a prime.

It is not an unprimeable number, because it can be changed into a prime (56573220057973) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1458579588 + ... + 1458618373.

It is an arithmetic number, because the mean of its divisors is an integer number (4043236375332).

Almost surely, 2^{56573220057673} is an apocalyptic number.

It is an amenable number.

56573220057673 is a deficient number, since it is larger than the sum of its proper divisors (8118561947639).

56573220057673 is a wasteful number, since it uses less digits than its factorization.

56573220057673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2917198056.

The product of its (nonzero) digits is 55566000, while the sum is 58.

The spelling of 56573220057673 in words is "fifty-six trillion, five hundred seventy-three billion, two hundred twenty million, fifty-seven thousand, six hundred seventy-three".