56424161 has 2 divisors, whose sum is σ = 56424162. Its totient is φ = 56424160.

The previous prime is 56424113. The next prime is 56424187. The reversal of 56424161 is 16142465.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 45900625 + 10523536 = 6775^2 + 3244^2 .

It is a cyclic number.

It is not a de Polignac number, because 56424161 - 2¹⁰ = 56423137 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (56424101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28212080 + 28212081.

It is an arithmetic number, because the mean of its divisors is an integer number (28212081).

Almost surely, 2^56424161 is an apocalyptic number.

It is an amenable number.

56424161 is a deficient number, since it is larger than the sum of its proper divisors (1).

56424161 is an equidigital number, since it uses as much as digits as its factorization.

56424161 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5760, while the sum is 29.

The square root of 56424161 is about 7511.6017599444. The cubic root of 56424161 is about 383.5497494199.

The spelling of 56424161 in words is "fifty-six million, four hundred twenty-four thousand, one hundred sixty-one".