56821314763 has 4 divisors (see below), whose sum is σ = 56869839688. Its totient is φ = 56772789840.

The previous prime is 56821314761. The next prime is 56821314791. The reversal of 56821314763 is 36741312865.

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 56821314763 - 2¹ = 56821314761 is a prime.

It is a super-2 number, since 2×56821314763² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56821314761) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24260706 + ... + 24263047.

It is an arithmetic number, because the mean of its divisors is an integer number (14217459922).

Almost surely, 2^56821314763 is an apocalyptic number.

56821314763 is a deficient number, since it is larger than the sum of its proper divisors (48524925).

56821314763 is a wasteful number, since it uses less digits than its factorization.

56821314763 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48524924.

The product of its digits is 725760, while the sum is 46.

The spelling of 56821314763 in words is "fifty-six billion, eight hundred twenty-one million, three hundred fourteen thousand, seven hundred sixty-three".