54679519 has 2 divisors, whose sum is σ = 54679520. Its totient is φ = 54679518.

The previous prime is 54679483. The next prime is 54679543. The reversal of 54679519 is 91597645.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 54679519 - 2¹¹ = 54677471 is a prime.

It is a super-2 number, since 2×54679519² = 5979699596142722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54679589) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27339759 + 27339760.

It is an arithmetic number, because the mean of its divisors is an integer number (27339760).

Almost surely, 2^54679519 is an apocalyptic number.

54679519 is a deficient number, since it is larger than the sum of its proper divisors (1).

54679519 is an equidigital number, since it uses as much as digits as its factorization.

54679519 is an evil number, because the sum of its binary digits is even.

The product of its digits is 340200, while the sum is 46.

The square root of 54679519 is about 7394.5600950969. The cubic root of 54679519 is about 379.5551558116. Note that the first 3 decimals are identical.

The spelling of 54679519 in words is "fifty-four million, six hundred seventy-nine thousand, five hundred nineteen".