54880393 has 2 divisors, whose sum is σ = 54880394. Its totient is φ = 54880392.

The previous prime is 54880381. The next prime is 54880421. The reversal of 54880393 is 39308845.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 48052624 + 6827769 = 6932^2 + 2613^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54880393 is a prime.

It is a plaindrome in base 16.

It is not a weakly prime, because it can be changed into another prime (54880313) 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, 27440196 + 27440197.

It is an arithmetic number, because the mean of its divisors is an integer number (27440197).

Almost surely, 2^54880393 is an apocalyptic number.

It is an amenable number.

54880393 is a deficient number, since it is larger than the sum of its proper divisors (1).

54880393 is an equidigital number, since it uses as much as digits as its factorization.

54880393 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 103680, while the sum is 40.

The square root of 54880393 is about 7408.1301959401. The cubic root of 54880393 is about 380.0193734352.

The spelling of 54880393 in words is "fifty-four million, eight hundred eighty thousand, three hundred ninety-three".