54281242453 has 2 divisors, whose sum is σ = 54281242454. Its totient is φ = 54281242452.

The previous prime is 54281242357. The next prime is 54281242493. The reversal of 54281242453 is 35424218245.

It is an a-pointer prime, because the next prime (54281242493) can be obtained adding 54281242453 to its sum of digits (40).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 44613043524 + 9668198929 = 211218^2 + 98327^2 .

It is a cyclic number.

It is not a de Polignac number, because 54281242453 - 2³³ = 45691307861 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54281242493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27140621226 + 27140621227.

It is an arithmetic number, because the mean of its divisors is an integer number (27140621227).

Almost surely, 2^54281242453 is an apocalyptic number.

It is an amenable number.

54281242453 is a deficient number, since it is larger than the sum of its proper divisors (1).

54281242453 is an equidigital number, since it uses as much as digits as its factorization.

54281242453 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 307200, while the sum is 40.

The spelling of 54281242453 in words is "fifty-four billion, two hundred eighty-one million, two hundred forty-two thousand, four hundred fifty-three".