56020016620517 has 16 divisors (see below), whose sum is σ = 56357341290432. Its totient is φ = 55683005938560.

The previous prime is 56020016620501. The next prime is 56020016620549. The reversal of 56020016620517 is 71502661002065.

It is a cyclic number.

It is not a de Polignac number, because 56020016620517 - 2⁴ = 56020016620501 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 (56020016620567) 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, 4308231338 + ... + 4308244340.

It is an arithmetic number, because the mean of its divisors is an integer number (3522333830652).

Almost surely, 2^{56020016620517} is an apocalyptic number.

It is an amenable number.

56020016620517 is a deficient number, since it is larger than the sum of its proper divisors (337324669915).

56020016620517 is a wasteful number, since it uses less digits than its factorization.

56020016620517 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23108.

The product of its (nonzero) digits is 151200, while the sum is 41.

The spelling of 56020016620517 in words is "fifty-six trillion, twenty billion, sixteen million, six hundred twenty thousand, five hundred seventeen".