54245647 has 2 divisors, whose sum is σ = 54245648. Its totient is φ = 54245646.

The previous prime is 54245641. The next prime is 54245677. The reversal of 54245647 is 74654245.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 54245647 - 2¹⁹ = 53721359 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 (54245641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27122823 + 27122824.

It is an arithmetic number, because the mean of its divisors is an integer number (27122824).

Almost surely, 2^54245647 is an apocalyptic number.

54245647 is a deficient number, since it is larger than the sum of its proper divisors (1).

54245647 is an equidigital number, since it uses as much as digits as its factorization.

54245647 is an evil number, because the sum of its binary digits is even.

The product of its digits is 134400, while the sum is 37.

The square root of 54245647 is about 7365.1644245054. The cubic root of 54245647 is about 378.5485885015.

The spelling of 54245647 in words is "fifty-four million, two hundred forty-five thousand, six hundred forty-seven".