54521713 has 2 divisors, whose sum is σ = 54521714. Its totient is φ = 54521712.

The previous prime is 54521699. The next prime is 54521791. The reversal of 54521713 is 31712545.

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., 50808384 + 3713329 = 7128^2 + 1927^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54521713 is a prime.

It is not a weakly prime, because it can be changed into another prime (54521813) 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, 27260856 + 27260857.

It is an arithmetic number, because the mean of its divisors is an integer number (27260857).

Almost surely, 2^54521713 is an apocalyptic number.

It is an amenable number.

54521713 is a deficient number, since it is larger than the sum of its proper divisors (1).

54521713 is an equidigital number, since it uses as much as digits as its factorization.

54521713 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4200, while the sum is 28.

The square root of 54521713 is about 7383.8819735963. The cubic root of 54521713 is about 379.1896698250.

The spelling of 54521713 in words is "fifty-four million, five hundred twenty-one thousand, seven hundred thirteen".