54244393 has 4 divisors (see below), whose sum is σ = 61993600. Its totient is φ = 46495188.

The previous prime is 54244391. The next prime is 54244397. The reversal of 54244393 is 39344245.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 39344245 = 5 ⋅7868849.

It is a cyclic number.

It is not a de Polignac number, because 54244393 - 2¹ = 54244391 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54244391) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3874593 + ... + 3874606.

It is an arithmetic number, because the mean of its divisors is an integer number (15498400).

Almost surely, 2^54244393 is an apocalyptic number.

It is an amenable number.

54244393 is a deficient number, since it is larger than the sum of its proper divisors (7749207).

54244393 is an equidigital number, since it uses as much as digits as its factorization.

54244393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7749206.

The product of its digits is 51840, while the sum is 34.

The square root of 54244393 is about 7365.0792935311. The cubic root of 54244393 is about 378.5456715019.

The spelling of 54244393 in words is "fifty-four million, two hundred forty-four thousand, three hundred ninety-three".