56501341849 has 2 divisors, whose sum is σ = 56501341850. Its totient is φ = 56501341848.

The previous prime is 56501341829. The next prime is 56501341867. The reversal of 56501341849 is 94814310565.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 35256821824 + 21244520025 = 187768^2 + 145755^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56501341849 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 56501341799 and 56501341808.

It is not a weakly prime, because it can be changed into another prime (56501341829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28250670924 + 28250670925.

It is an arithmetic number, because the mean of its divisors is an integer number (28250670925).

Almost surely, 2^56501341849 is an apocalyptic number.

It is an amenable number.

56501341849 is a deficient number, since it is larger than the sum of its proper divisors (1).

56501341849 is an equidigital number, since it uses as much as digits as its factorization.

56501341849 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 518400, while the sum is 46.

The spelling of 56501341849 in words is "fifty-six billion, five hundred one million, three hundred forty-one thousand, eight hundred forty-nine".