54493913 has 2 divisors, whose sum is σ = 54493914. Its totient is φ = 54493912.

The previous prime is 54493909. The next prime is 54493927. The reversal of 54493913 is 31939445.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 47375689 + 7118224 = 6883^2 + 2668^2 .

It is a cyclic number.

It is not a de Polignac number, because 54493913 - 2² = 54493909 is a prime.

It is equal to p_3253799 and since 54493913 and 3253799 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (54493903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27246956 + 27246957.

It is an arithmetic number, because the mean of its divisors is an integer number (27246957).

Almost surely, 2^54493913 is an apocalyptic number.

It is an amenable number.

54493913 is a deficient number, since it is larger than the sum of its proper divisors (1).

54493913 is an equidigital number, since it uses as much as digits as its factorization.

54493913 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 58320, while the sum is 38.

The square root of 54493913 is about 7381.9992549444. Note that the first 3 decimals coincide. The cubic root of 54493913 is about 379.1252107046.

The spelling of 54493913 in words is "fifty-four million, four hundred ninety-three thousand, nine hundred thirteen".