54124519 has 4 divisors (see below), whose sum is σ = 54219880. Its totient is φ = 54029160.

The previous prime is 54124517. The next prime is 54124529. The reversal of 54124519 is 91542145.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 54124519 - 2¹ = 54124517 is a prime.

It is a super-2 number, since 2×54124519² = 5858927113962722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54124513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46824 + ... + 47965.

It is an arithmetic number, because the mean of its divisors is an integer number (13554970).

Almost surely, 2^54124519 is an apocalyptic number.

54124519 is a deficient number, since it is larger than the sum of its proper divisors (95361).

54124519 is an equidigital number, since it uses as much as digits as its factorization.

54124519 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95360.

The product of its digits is 7200, while the sum is 31.

The square root of 54124519 is about 7356.9367946177. The cubic root of 54124519 is about 378.2666180735.

The spelling of 54124519 in words is "fifty-four million, one hundred twenty-four thousand, five hundred nineteen".