56286736261 has 32 divisors (see below), whose sum is σ = 65952403200. Its totient is φ = 47042027520.

The previous prime is 56286736249. The next prime is 56286736277. The reversal of 56286736261 is 16263768265.

It is a cyclic number.

It is not a de Polignac number, because 56286736261 - 2⁷ = 56286736133 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 56286736199 and 56286736208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56286736861) 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, 45798195 + ... + 45799423.

It is an arithmetic number, because the mean of its divisors is an integer number (2061012600).

Almost surely, 2^56286736261 is an apocalyptic number.

It is an amenable number.

56286736261 is a deficient number, since it is larger than the sum of its proper divisors (9665666939).

56286736261 is a wasteful number, since it uses less digits than its factorization.

56286736261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2109.

The product of its digits is 4354560, while the sum is 52.

The spelling of 56286736261 in words is "fifty-six billion, two hundred eighty-six million, seven hundred thirty-six thousand, two hundred sixty-one".