54113993 has 2 divisors, whose sum is σ = 54113994. Its totient is φ = 54113992.

The previous prime is 54113989. The next prime is 54114013. The reversal of 54113993 is 39931145.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 52606009 + 1507984 = 7253^2 + 1228^2 .

It is a cyclic number.

It is not a de Polignac number, because 54113993 - 2² = 54113989 is a prime.

It is not a weakly prime, because it can be changed into another prime (54113903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27056996 + 27056997.

It is an arithmetic number, because the mean of its divisors is an integer number (27056997).

Almost surely, 2^54113993 is an apocalyptic number.

It is an amenable number.

54113993 is a deficient number, since it is larger than the sum of its proper divisors (1).

54113993 is an equidigital number, since it uses as much as digits as its factorization.

54113993 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 14580, while the sum is 35.

The square root of 54113993 is about 7356.2213805730. The cubic root of 54113993 is about 378.2420950376.

The spelling of 54113993 in words is "fifty-four million, one hundred thirteen thousand, nine hundred ninety-three".