56820273851 has 32 divisors (see below), whose sum is σ = 66471148800. Its totient is φ = 48021828480.

The previous prime is 56820273791. The next prime is 56820273907. The reversal of 56820273851 is 15837202865.

56820273851 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 56820273851 - 2¹⁰ = 56820272827 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 56820273796 and 56820273805.

It is not an unprimeable number, because it can be changed into a prime (56820273151) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7555145 + ... + 7562661.

It is an arithmetic number, because the mean of its divisors is an integer number (2077223400).

Almost surely, 2^56820273851 is an apocalyptic number.

56820273851 is a deficient number, since it is larger than the sum of its proper divisors (9650874949).

56820273851 is a wasteful number, since it uses less digits than its factorization.

56820273851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8219.

The product of its (nonzero) digits is 806400, while the sum is 47.

The spelling of 56820273851 in words is "fifty-six billion, eight hundred twenty million, two hundred seventy-three thousand, eight hundred fifty-one".