56007641 has 2 divisors, whose sum is σ = 56007642. Its totient is φ = 56007640.

The previous prime is 56007593. The next prime is 56007643. The reversal of 56007641 is 14670065.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 45091225 + 10916416 = 6715^2 + 3304^2 .

It is a cyclic number.

It is not a de Polignac number, because 56007641 - 2²² = 51813337 is a prime.

It is a Sophie Germain prime.

Together with 56007643, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (56007643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28003820 + 28003821.

It is an arithmetic number, because the mean of its divisors is an integer number (28003821).

Almost surely, 2^56007641 is an apocalyptic number.

It is an amenable number.

56007641 is a deficient number, since it is larger than the sum of its proper divisors (1).

56007641 is an equidigital number, since it uses as much as digits as its factorization.

56007641 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 56007641 is about 7483.8252919212. The cubic root of 56007641 is about 382.6036366050.

The spelling of 56007641 in words is "fifty-six million, seven thousand, six hundred forty-one".