56171853607 has 2 divisors, whose sum is σ = 56171853608. Its totient is φ = 56171853606.

The previous prime is 56171853581. The next prime is 56171853629. The reversal of 56171853607 is 70635817165.

56171853607 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 56171853607 - 2³⁵ = 21812115239 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56171853007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28085926803 + 28085926804.

It is an arithmetic number, because the mean of its divisors is an integer number (28085926804).

Almost surely, 2^56171853607 is an apocalyptic number.

56171853607 is a deficient number, since it is larger than the sum of its proper divisors (1).

56171853607 is an equidigital number, since it uses as much as digits as its factorization.

56171853607 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1058400, while the sum is 49.

The spelling of 56171853607 in words is "fifty-six billion, one hundred seventy-one million, eight hundred fifty-three thousand, six hundred seven".