56540134043 has 2 divisors, whose sum is σ = 56540134044. Its totient is φ = 56540134042.

The previous prime is 56540133977. The next prime is 56540134061. The reversal of 56540134043 is 34043104565.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56540134043 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 56540133994 and 56540134012.

It is not a weakly prime, because it can be changed into another prime (56540134073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28270067021 + 28270067022.

It is an arithmetic number, because the mean of its divisors is an integer number (28270067022).

Almost surely, 2^56540134043 is an apocalyptic number.

56540134043 is a deficient number, since it is larger than the sum of its proper divisors (1).

56540134043 is an equidigital number, since it uses as much as digits as its factorization.

56540134043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 86400, while the sum is 35.

The spelling of 56540134043 in words is "fifty-six billion, five hundred forty million, one hundred thirty-four thousand, forty-three".