54448819 has 2 divisors, whose sum is σ = 54448820. Its totient is φ = 54448818.

The previous prime is 54448817. The next prime is 54448829. The reversal of 54448819 is 91884445.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 54448819 - 2¹ = 54448817 is a prime.

It is a super-2 number, since 2×54448819² = 5929347780989522, which contains 22 as substring.

Together with 54448817, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (54448817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27224409 + 27224410.

It is an arithmetic number, because the mean of its divisors is an integer number (27224410).

Almost surely, 2^54448819 is an apocalyptic number.

54448819 is a deficient number, since it is larger than the sum of its proper divisors (1).

54448819 is an equidigital number, since it uses as much as digits as its factorization.

54448819 is an evil number, because the sum of its binary digits is even.

The product of its digits is 184320, while the sum is 43.

The square root of 54448819 is about 7378.9443011856. The cubic root of 54448819 is about 379.0206058094.

The spelling of 54448819 in words is "fifty-four million, four hundred forty-eight thousand, eight hundred nineteen".