56039849 has 2 divisors, whose sum is σ = 56039850. Its totient is φ = 56039848.

The previous prime is 56039831. The next prime is 56039881. The reversal of 56039849 is 94893065.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 47513449 + 8526400 = 6893^2 + 2920^2 .

It is a cyclic number.

It is not a de Polignac number, because 56039849 - 2¹² = 56035753 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (56039149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28019924 + 28019925.

It is an arithmetic number, because the mean of its divisors is an integer number (28019925).

Almost surely, 2^56039849 is an apocalyptic number.

It is an amenable number.

56039849 is a deficient number, since it is larger than the sum of its proper divisors (1).

56039849 is an equidigital number, since it uses as much as digits as its factorization.

56039849 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 233280, while the sum is 44.

The square root of 56039849 is about 7485.9768233678. The cubic root of 56039849 is about 382.6769631268.

The spelling of 56039849 in words is "fifty-six million, thirty-nine thousand, eight hundred forty-nine".