54115393 has 2 divisors, whose sum is σ = 54115394. Its totient is φ = 54115392.

The previous prime is 54115379. The next prime is 54115417. The reversal of 54115393 is 39351145.

It is a happy number.

54115393 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 52751169 + 1364224 = 7263^2 + 1168^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54115393 is a prime.

It is not a weakly prime, because it can be changed into another prime (54115693) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27057696 + 27057697.

It is an arithmetic number, because the mean of its divisors is an integer number (27057697).

Almost surely, 2^54115393 is an apocalyptic number.

It is an amenable number.

54115393 is a deficient number, since it is larger than the sum of its proper divisors (1).

54115393 is an equidigital number, since it uses as much as digits as its factorization.

54115393 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8100, while the sum is 31.

The square root of 54115393 is about 7356.3165375071. The cubic root of 54115393 is about 378.2453568826.

The spelling of 54115393 in words is "fifty-four million, one hundred fifteen thousand, three hundred ninety-three".