56006747 has 2 divisors, whose sum is σ = 56006748. Its totient is φ = 56006746.

The previous prime is 56006719. The next prime is 56006761. The reversal of 56006747 is 74760065.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 56006747 - 2¹² = 56002651 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (56006777) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28003373 + 28003374.

It is an arithmetic number, because the mean of its divisors is an integer number (28003374).

Almost surely, 2^56006747 is an apocalyptic number.

56006747 is a deficient number, since it is larger than the sum of its proper divisors (1).

56006747 is an equidigital number, since it uses as much as digits as its factorization.

56006747 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 35280, while the sum is 35.

The square root of 56006747 is about 7483.7655628701. The cubic root of 56006747 is about 382.6016008740.

The spelling of 56006747 in words is "fifty-six million, six thousand, seven hundred forty-seven".