54239619 has 16 divisors (see below), whose sum is σ = 84339200. Its totient is φ = 30993480.

The previous prime is 54239611. The next prime is 54239629. The reversal of 54239619 is 91693245.

54239619 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 54239619 - 2³ = 54239611 is a prime.

It is a super-2 number, since 2×54239619² = 5883872538530322, 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 (54239611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25327 + ... + 27384.

It is an arithmetic number, because the mean of its divisors is an integer number (5271200).

Almost surely, 2^54239619 is an apocalyptic number.

54239619 is a deficient number, since it is larger than the sum of its proper divisors (30099581).

54239619 is an equidigital number, since it uses as much as digits as its factorization.

54239619 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52735 (or 52721 counting only the distinct ones).

The product of its digits is 58320, while the sum is 39.

The square root of 54239619 is about 7364.7551894140. The cubic root of 54239619 is about 378.5345660220.

The spelling of 54239619 in words is "fifty-four million, two hundred thirty-nine thousand, six hundred nineteen".