56361936524497 has 4 divisors (see below), whose sum is σ = 56370141792180. Its totient is φ = 56353731256816.

The previous prime is 56361936524471. The next prime is 56361936524533. The reversal of 56361936524497 is 79442563916365.

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

It can be written as a sum of positive squares in 2 ways, for example, as 559228769856 + 55802707754641 = 747816^2 + 7470121^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56361936524497 is a prime.

It is a super-2 number, since 2×56361936524497² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56361936524197) 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, 4102623538 + ... + 4102637275.

It is an arithmetic number, because the mean of its divisors is an integer number (14092535448045).

Almost surely, 2^{56361936524497} is an apocalyptic number.

It is an amenable number.

56361936524497 is a deficient number, since it is larger than the sum of its proper divisors (8205267683).

56361936524497 is an equidigital number, since it uses as much as digits as its factorization.

56361936524497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8205267682.

The product of its digits is 881798400, while the sum is 70.

The spelling of 56361936524497 in words is "fifty-six trillion, three hundred sixty-one billion, nine hundred thirty-six million, five hundred twenty-four thousand, four hundred ninety-seven".