54340549 has 2 divisors, whose sum is σ = 54340550. Its totient is φ = 54340548.

The previous prime is 54340537. The next prime is 54340553. The reversal of 54340549 is 94504345.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 43164900 + 11175649 = 6570^2 + 3343^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54340549 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54340579) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27170274 + 27170275.

It is an arithmetic number, because the mean of its divisors is an integer number (27170275).

Almost surely, 2^54340549 is an apocalyptic number.

It is an amenable number.

54340549 is a deficient number, since it is larger than the sum of its proper divisors (1).

54340549 is an equidigital number, since it uses as much as digits as its factorization.

54340549 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 43200, while the sum is 34.

The square root of 54340549 is about 7371.6042351716. The cubic root of 54340549 is about 378.7692150425.

The spelling of 54340549 in words is "fifty-four million, three hundred forty thousand, five hundred forty-nine".