54336647 has 2 divisors, whose sum is σ = 54336648. Its totient is φ = 54336646.

The previous prime is 54336643. The next prime is 54336671. The reversal of 54336647 is 74663345.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 54336647 - 2² = 54336643 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 54336647.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54336643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27168323 + 27168324.

It is an arithmetic number, because the mean of its divisors is an integer number (27168324).

Almost surely, 2^54336647 is an apocalyptic number.

54336647 is a deficient number, since it is larger than the sum of its proper divisors (1).

54336647 is an equidigital number, since it uses as much as digits as its factorization.

54336647 is an evil number, because the sum of its binary digits is even.

The product of its digits is 181440, while the sum is 38.

The square root of 54336647 is about 7371.3395661847. The cubic root of 54336647 is about 378.7601488057.

The spelling of 54336647 in words is "fifty-four million, three hundred thirty-six thousand, six hundred forty-seven".