56396849 has 2 divisors, whose sum is σ = 56396850. Its totient is φ = 56396848.

The previous prime is 56396833. The next prime is 56396881. The reversal of 56396849 is 94869365.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 56325025 + 71824 = 7505^2 + 268^2 .

It is a cyclic number.

It is not a de Polignac number, because 56396849 - 2⁴ = 56396833 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 56396797 and 56396806.

It is not a weakly prime, because it can be changed into another prime (56396149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28198424 + 28198425.

It is an arithmetic number, because the mean of its divisors is an integer number (28198425).

Almost surely, 2^56396849 is an apocalyptic number.

It is an amenable number.

56396849 is a deficient number, since it is larger than the sum of its proper divisors (1).

56396849 is an equidigital number, since it uses as much as digits as its factorization.

56396849 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1399680, while the sum is 50.

The square root of 56396849 is about 7509.7835521405. The cubic root of 56396849 is about 383.4878539409.

The spelling of 56396849 in words is "fifty-six million, three hundred ninety-six thousand, eight hundred forty-nine".