56500145329 has 2 divisors, whose sum is σ = 56500145330. Its totient is φ = 56500145328.

The previous prime is 56500145263. The next prime is 56500145333. The reversal of 56500145329 is 92354100565.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 55496522929 + 1003622400 = 235577^2 + 31680^2 .

It is a cyclic number.

It is not a de Polignac number, because 56500145329 - 2²⁵ = 56466590897 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 56500145291 and 56500145300.

It is not a weakly prime, because it can be changed into another prime (56500445329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28250072664 + 28250072665.

It is an arithmetic number, because the mean of its divisors is an integer number (28250072665).

Almost surely, 2^56500145329 is an apocalyptic number.

It is an amenable number.

56500145329 is a deficient number, since it is larger than the sum of its proper divisors (1).

56500145329 is an equidigital number, since it uses as much as digits as its factorization.

56500145329 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 162000, while the sum is 40.

The spelling of 56500145329 in words is "fifty-six billion, five hundred million, one hundred forty-five thousand, three hundred twenty-nine".