56430047 has 2 divisors, whose sum is σ = 56430048. Its totient is φ = 56430046.

The previous prime is 56430043. The next prime is 56430079. The reversal of 56430047 is 74003465.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 56430047 - 2² = 56430043 is a prime.

It is a Chen prime.

It is equal to p_3362429 and since 56430047 and 3362429 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56430043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28215023 + 28215024.

It is an arithmetic number, because the mean of its divisors is an integer number (28215024).

Almost surely, 2^56430047 is an apocalyptic number.

56430047 is a deficient number, since it is larger than the sum of its proper divisors (1).

56430047 is an equidigital number, since it uses as much as digits as its factorization.

56430047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10080, while the sum is 29.

The square root of 56430047 is about 7511.9935436607. The cubic root of 56430047 is about 383.5630858778.

The spelling of 56430047 in words is "fifty-six million, four hundred thirty thousand, forty-seven".