54269993 has 2 divisors, whose sum is σ = 54269994. Its totient is φ = 54269992.

The previous prime is 54269987. The next prime is 54270017. The reversal of 54269993 is 39996245.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 54051904 + 218089 = 7352^2 + 467^2 .

It is a cyclic number.

It is not a de Polignac number, because 54269993 - 2⁴ = 54269977 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (54269953) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27134996 + 27134997.

It is an arithmetic number, because the mean of its divisors is an integer number (27134997).

Almost surely, 2^54269993 is an apocalyptic number.

It is an amenable number.

54269993 is a deficient number, since it is larger than the sum of its proper divisors (1).

54269993 is an equidigital number, since it uses as much as digits as its factorization.

54269993 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 524880, while the sum is 47.

The square root of 54269993 is about 7366.8170195818. The cubic root of 54269993 is about 378.6052121879.

The spelling of 54269993 in words is "fifty-four million, two hundred sixty-nine thousand, nine hundred ninety-three".