54479519 has 2 divisors, whose sum is σ = 54479520. Its totient is φ = 54479518.

The previous prime is 54479497. The next prime is 54479531. The reversal of 54479519 is 91597445.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 54479519 - 2⁸ = 54479263 is a prime.

It is a super-2 number, since 2×54479519² = 5936035980942722, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 54479519.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54479599) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27239759 + 27239760.

It is an arithmetic number, because the mean of its divisors is an integer number (27239760).

Almost surely, 2^54479519 is an apocalyptic number.

54479519 is a deficient number, since it is larger than the sum of its proper divisors (1).

54479519 is an equidigital number, since it uses as much as digits as its factorization.

54479519 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 226800, while the sum is 44.

The square root of 54479519 is about 7381.0242514166. The cubic root of 54479519 is about 379.0918271055.

The spelling of 54479519 in words is "fifty-four million, four hundred seventy-nine thousand, five hundred nineteen".