54212245447 has 2 divisors, whose sum is σ = 54212245448. Its totient is φ = 54212245446.

The previous prime is 54212245433. The next prime is 54212245487. The reversal of 54212245447 is 74454221245.

It is a happy number.

It is an a-pointer prime, because the next prime (54212245487) can be obtained adding 54212245447 to its sum of digits (40).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 54212245447 - 2³⁵ = 19852507079 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54212245487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27106122723 + 27106122724.

It is an arithmetic number, because the mean of its divisors is an integer number (27106122724).

Almost surely, 2^54212245447 is an apocalyptic number.

54212245447 is a deficient number, since it is larger than the sum of its proper divisors (1).

54212245447 is an equidigital number, since it uses as much as digits as its factorization.

54212245447 is an evil number, because the sum of its binary digits is even.

The product of its digits is 358400, while the sum is 40.

The spelling of 54212245447 in words is "fifty-four billion, two hundred twelve million, two hundred forty-five thousand, four hundred forty-seven".