56566213641707 has 16 divisors (see below), whose sum is σ = 72430167558912. Its totient is φ = 42886283418720.

The previous prime is 56566213641701. The next prime is 56566213641827. The reversal of 56566213641707 is 70714631266565.

It is not a de Polignac number, because 56566213641707 - 2⁶ = 56566213641643 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56566213641701) 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, 9927377573 + ... + 9927383270.

It is an arithmetic number, because the mean of its divisors is an integer number (4526885472432).

Almost surely, 2^{56566213641707} is an apocalyptic number.

56566213641707 is a deficient number, since it is larger than the sum of its proper divisors (15863953917205).

56566213641707 is a wasteful number, since it uses less digits than its factorization.

56566213641707 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19854760898.

The product of its (nonzero) digits is 38102400, while the sum is 59.

The spelling of 56566213641707 in words is "fifty-six trillion, five hundred sixty-six billion, two hundred thirteen million, six hundred forty-one thousand, seven hundred seven".