54353807449 has 2 divisors, whose sum is σ = 54353807450. Its totient is φ = 54353807448.

The previous prime is 54353807423. The next prime is 54353807477. The reversal of 54353807449 is 94470835345.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 41110401049 + 13243406400 = 202757^2 + 115080^2 .

It is a cyclic number.

It is not a de Polignac number, because 54353807449 - 2¹³ = 54353799257 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 54353807396 and 54353807405.

It is not a weakly prime, because it can be changed into another prime (54353507449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27176903724 + 27176903725.

It is an arithmetic number, because the mean of its divisors is an integer number (27176903725).

Almost surely, 2^54353807449 is an apocalyptic number.

It is an amenable number.

54353807449 is a deficient number, since it is larger than the sum of its proper divisors (1).

54353807449 is an equidigital number, since it uses as much as digits as its factorization.

54353807449 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7257600, while the sum is 52.

The spelling of 54353807449 in words is "fifty-four billion, three hundred fifty-three million, eight hundred seven thousand, four hundred forty-nine".