56181049 has 2 divisors, whose sum is σ = 56181050. Its totient is φ = 56181048.

The previous prime is 56181031. The next prime is 56181077. The reversal of 56181049 is 94018165.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 47955625 + 8225424 = 6925^2 + 2868^2 .

It is a cyclic number.

It is not a de Polignac number, because 56181049 - 2⁵ = 56181017 is a prime.

It is not a weakly prime, because it can be changed into another prime (56181449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28090524 + 28090525.

It is an arithmetic number, because the mean of its divisors is an integer number (28090525).

Almost surely, 2^56181049 is an apocalyptic number.

It is an amenable number.

56181049 is a deficient number, since it is larger than the sum of its proper divisors (1).

56181049 is an equidigital number, since it uses as much as digits as its factorization.

56181049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8640, while the sum is 34.

The square root of 56181049 is about 7495.4018571388. The cubic root of 56181049 is about 382.9980957350.

The spelling of 56181049 in words is "fifty-six million, one hundred eighty-one thousand, forty-nine".