53984993 has 2 divisors, whose sum is σ = 53984994. Its totient is φ = 53984992.

The previous prime is 53984971. The next prime is 53985017. The reversal of 53984993 is 39948935.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 47997184 + 5987809 = 6928^2 + 2447^2 .

It is a cyclic number.

It is not a de Polignac number, because 53984993 - 2⁶ = 53984929 is a prime.

It is not a weakly prime, because it can be changed into another prime (53984923) 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, 26992496 + 26992497.

It is an arithmetic number, because the mean of its divisors is an integer number (26992497).

Almost surely, 2^53984993 is an apocalyptic number.

It is an amenable number.

53984993 is a deficient number, since it is larger than the sum of its proper divisors (1).

53984993 is an equidigital number, since it uses as much as digits as its factorization.

53984993 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1049760, while the sum is 50.

The square root of 53984993 is about 7347.4480603812. The cubic root of 53984993 is about 377.9412975851.

The spelling of 53984993 in words is "fifty-three million, nine hundred eighty-four thousand, nine hundred ninety-three".