54540019 has 4 divisors (see below), whose sum is σ = 54743040. Its totient is φ = 54337000.

The previous prime is 54540007. The next prime is 54540037. The reversal of 54540019 is 91004545.

54540019 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 54540019 - 2¹⁵ = 54507251 is a prime.

It is a super-2 number, since 2×54540019² = 5949227345040722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54540319) 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 3 ways as a sum of consecutive naturals, for example, 101107 + ... + 101644.

It is an arithmetic number, because the mean of its divisors is an integer number (13685760).

Almost surely, 2^54540019 is an apocalyptic number.

54540019 is a deficient number, since it is larger than the sum of its proper divisors (203021).

54540019 is a wasteful number, since it uses less digits than its factorization.

54540019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203020.

The product of its (nonzero) digits is 3600, while the sum is 28.

The square root of 54540019 is about 7385.1214614250. The cubic root of 54540019 is about 379.2321034964.

The spelling of 54540019 in words is "fifty-four million, five hundred forty thousand, nineteen".