56247427 has 2 divisors, whose sum is σ = 56247428. Its totient is φ = 56247426.

The previous prime is 56247413. The next prime is 56247479. The reversal of 56247427 is 72474265.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56247427 is a prime.

It is not a weakly prime, because it can be changed into another prime (56247127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28123713 + 28123714.

It is an arithmetic number, because the mean of its divisors is an integer number (28123714).

Almost surely, 2^56247427 is an apocalyptic number.

56247427 is a deficient number, since it is larger than the sum of its proper divisors (1).

56247427 is an equidigital number, since it uses as much as digits as its factorization.

56247427 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 94080, while the sum is 37.

The square root of 56247427 is about 7499.8284647050. The cubic root of 56247427 is about 383.1488739916.

The spelling of 56247427 in words is "fifty-six million, two hundred forty-seven thousand, four hundred twenty-seven".