54450947 has 2 divisors, whose sum is σ = 54450948. Its totient is φ = 54450946.

The previous prime is 54450931. The next prime is 54450953. The reversal of 54450947 is 74905445.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 54450947 - 2⁴ = 54450931 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 54450947.

It is not a weakly prime, because it can be changed into another prime (54450047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27225473 + 27225474.

It is an arithmetic number, because the mean of its divisors is an integer number (27225474).

Almost surely, 2^54450947 is an apocalyptic number.

54450947 is a deficient number, since it is larger than the sum of its proper divisors (1).

54450947 is an equidigital number, since it uses as much as digits as its factorization.

54450947 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 100800, while the sum is 38.

The square root of 54450947 is about 7379.0884938453. The cubic root of 54450947 is about 379.0255434454.

The spelling of 54450947 in words is "fifty-four million, four hundred fifty thousand, nine hundred forty-seven".