56509045588367 has 4 divisors (see below), whose sum is σ = 56757984115416. Its totient is φ = 56260107061320.

The previous prime is 56509045588343. The next prime is 56509045588439. The reversal of 56509045588367 is 76388554090565.

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 56509045588367 - 2¹⁴ = 56509045571983 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 56509045588367.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56509045588267) 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, 124469263184 + ... + 124469263637.

It is an arithmetic number, because the mean of its divisors is an integer number (14189496028854).

Almost surely, 2^{56509045588367} is an apocalyptic number.

56509045588367 is a deficient number, since it is larger than the sum of its proper divisors (248938527049).

56509045588367 is a wasteful number, since it uses less digits than its factorization.

56509045588367 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248938527048.

The product of its (nonzero) digits is 1088640000, while the sum is 71.

The spelling of 56509045588367 in words is "fifty-six trillion, five hundred nine billion, forty-five million, five hundred eighty-eight thousand, three hundred sixty-seven".