56555700567 has 4 divisors (see below), whose sum is σ = 75407600760. Its totient is φ = 37703800376.

The previous prime is 56555700557. The next prime is 56555700583. The reversal of 56555700567 is 76500755565.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 56555700567 - 2¹⁵ = 56555667799 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56555700557) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9425950092 + ... + 9425950097.

It is an arithmetic number, because the mean of its divisors is an integer number (18851900190).

Almost surely, 2^56555700567 is an apocalyptic number.

56555700567 is a deficient number, since it is larger than the sum of its proper divisors (18851900193).

56555700567 is a wasteful number, since it uses less digits than its factorization.

56555700567 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18851900192.

The product of its (nonzero) digits is 5512500, while the sum is 51.

The spelling of 56555700567 in words is "fifty-six billion, five hundred fifty-five million, seven hundred thousand, five hundred sixty-seven".