54957647 has 2 divisors, whose sum is σ = 54957648. Its totient is φ = 54957646.

The previous prime is 54957641. The next prime is 54957667. The reversal of 54957647 is 74675945.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 54957647 - 2¹⁶ = 54892111 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 (54957641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27478823 + 27478824.

It is an arithmetic number, because the mean of its divisors is an integer number (27478824).

Almost surely, 2^54957647 is an apocalyptic number.

54957647 is a deficient number, since it is larger than the sum of its proper divisors (1).

54957647 is an equidigital number, since it uses as much as digits as its factorization.

54957647 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1058400, while the sum is 47.

The square root of 54957647 is about 7413.3424984955. The cubic root of 54957647 is about 380.1976049812.

The spelling of 54957647 in words is "fifty-four million, nine hundred fifty-seven thousand, six hundred forty-seven".