56941009 has 2 divisors, whose sum is σ = 56941010. Its totient is φ = 56941008.

The previous prime is 56940991. The next prime is 56941019. The reversal of 56941009 is 90014965.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 42614784 + 14326225 = 6528^2 + 3785^2 .

It is a cyclic number.

It is not a de Polignac number, because 56941009 - 2⁵ = 56940977 is a prime.

It is not a weakly prime, because it can be changed into another prime (56941019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28470504 + 28470505.

It is an arithmetic number, because the mean of its divisors is an integer number (28470505).

Almost surely, 2^56941009 is an apocalyptic number.

It is an amenable number.

56941009 is a deficient number, since it is larger than the sum of its proper divisors (1).

56941009 is an equidigital number, since it uses as much as digits as its factorization.

56941009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9720, while the sum is 34.

The square root of 56941009 is about 7545.9266495242. The cubic root of 56941009 is about 384.7173030141.

The spelling of 56941009 in words is "fifty-six million, nine hundred forty-one thousand, nine".