54050020513 has 2 divisors, whose sum is σ = 54050020514. Its totient is φ = 54050020512.

The previous prime is 54050020393. The next prime is 54050020517. The reversal of 54050020513 is 31502005045.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 34846435584 + 19203584929 = 186672^2 + 138577^2 .

It is a cyclic number.

It is not a de Polignac number, because 54050020513 - 2¹³ = 54050012321 is a prime.

It is not a weakly prime, because it can be changed into another prime (54050020517) 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, 27025010256 + 27025010257.

It is an arithmetic number, because the mean of its divisors is an integer number (27025010257).

Almost surely, 2^54050020513 is an apocalyptic number.

It is an amenable number.

54050020513 is a deficient number, since it is larger than the sum of its proper divisors (1).

54050020513 is an equidigital number, since it uses as much as digits as its factorization.

54050020513 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3000, while the sum is 25.

Adding to 54050020513 its reverse (31502005045), we get a palindrome (85552025558).

The spelling of 54050020513 in words is "fifty-four billion, fifty million, twenty thousand, five hundred thirteen".