56500281023 has 4 divisors (see below), whose sum is σ = 57059689848. Its totient is φ = 55940872200.

The previous prime is 56500280999. The next prime is 56500281053. The reversal of 56500281023 is 32018200565.

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 56500281023 - 2⁶ = 56500280959 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 (56500281053) 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, 279704261 + ... + 279704462.

It is an arithmetic number, because the mean of its divisors is an integer number (14264922462).

Almost surely, 2^56500281023 is an apocalyptic number.

56500281023 is a deficient number, since it is larger than the sum of its proper divisors (559408825).

56500281023 is a wasteful number, since it uses less digits than its factorization.

56500281023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 559408824.

The product of its (nonzero) digits is 14400, while the sum is 32.

Adding to 56500281023 its reverse (32018200565), we get a palindrome (88518481588).

The spelling of 56500281023 in words is "fifty-six billion, five hundred million, two hundred eighty-one thousand, twenty-three".