56554247 has 2 divisors, whose sum is σ = 56554248. Its totient is φ = 56554246.

The previous prime is 56554237. The next prime is 56554297. The reversal of 56554247 is 74245565.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56554247 is a prime.

It is a Chen prime.

It is a nialpdrome in base 14.

It is a zygodrome in base 14.

It is a self number, because there is not a number n which added to its sum of digits gives 56554247.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56554237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28277123 + 28277124.

It is an arithmetic number, because the mean of its divisors is an integer number (28277124).

Almost surely, 2^56554247 is an apocalyptic number.

56554247 is a deficient number, since it is larger than the sum of its proper divisors (1).

56554247 is an equidigital number, since it uses as much as digits as its factorization.

56554247 is an evil number, because the sum of its binary digits is even.

The product of its digits is 168000, while the sum is 38.

The square root of 56554247 is about 7520.2557802245. The cubic root of 56554247 is about 383.8442813896.

The spelling of 56554247 in words is "fifty-six million, five hundred fifty-four thousand, two hundred forty-seven".