56067237881 has 2 divisors, whose sum is σ = 56067237882. Its totient is φ = 56067237880.

The previous prime is 56067237869. The next prime is 56067237893. The reversal of 56067237881 is 18873276065.

It is a balanced prime because it is at equal distance from previous prime (56067237869) and next prime (56067237893).

It can be written as a sum of positive squares in only one way, i.e., 34254606400 + 21812631481 = 185080^2 + 147691^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56067237881 is a prime.

It is a super-2 number, since 2×56067237881² (a number of 22 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (56067237851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28033618940 + 28033618941.

It is an arithmetic number, because the mean of its divisors is an integer number (28033618941).

Almost surely, 2^56067237881 is an apocalyptic number.

It is an amenable number.

56067237881 is a deficient number, since it is larger than the sum of its proper divisors (1).

56067237881 is an equidigital number, since it uses as much as digits as its factorization.

56067237881 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3386880, while the sum is 53.

The spelling of 56067237881 in words is "fifty-six billion, sixty-seven million, two hundred thirty-seven thousand, eight hundred eighty-one".