56995247 has 2 divisors, whose sum is σ = 56995248. Its totient is φ = 56995246.

The previous prime is 56995241. The next prime is 56995259. The reversal of 56995247 is 74259965.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 56995247 - 2⁸ = 56994991 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56995241) 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, 28497623 + 28497624.

It is an arithmetic number, because the mean of its divisors is an integer number (28497624).

Almost surely, 2^56995247 is an apocalyptic number.

56995247 is a deficient number, since it is larger than the sum of its proper divisors (1).

56995247 is an equidigital number, since it uses as much as digits as its factorization.

56995247 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 680400, while the sum is 47.

The square root of 56995247 is about 7549.5196535939. The cubic root of 56995247 is about 384.8394157977.

The spelling of 56995247 in words is "fifty-six million, nine hundred ninety-five thousand, two hundred forty-seven".