56174081 has 2 divisors, whose sum is σ = 56174082. Its totient is φ = 56174080.

The previous prime is 56174023. The next prime is 56174123. The reversal of 56174081 is 18047165.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 46036225 + 10137856 = 6785^2 + 3184^2 .

It is a cyclic number.

It is not a de Polignac number, because 56174081 - 2⁶ = 56174017 is a prime.

It is a super-2 number, since 2×56174081² = 6311054752389122, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (56174021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28087040 + 28087041.

It is an arithmetic number, because the mean of its divisors is an integer number (28087041).

Almost surely, 2^56174081 is an apocalyptic number.

It is an amenable number.

56174081 is a deficient number, since it is larger than the sum of its proper divisors (1).

56174081 is an equidigital number, since it uses as much as digits as its factorization.

56174081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6720, while the sum is 32.

The square root of 56174081 is about 7494.9370244186. The cubic root of 56174081 is about 382.9822609704.

The spelling of 56174081 in words is "fifty-six million, one hundred seventy-four thousand, eighty-one".