54380019 has 4 divisors (see below), whose sum is σ = 72506696. Its totient is φ = 36253344.

The previous prime is 54379999. The next prime is 54380089. The reversal of 54380019 is 91008345.

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

It is not a de Polignac number, because 54380019 - 2⁸ = 54379763 is a prime.

It is a super-2 number, since 2×54380019² = 5914372932880722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54380089) 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 in 3 ways as a sum of consecutive naturals, for example, 9063334 + ... + 9063339.

It is an arithmetic number, because the mean of its divisors is an integer number (18126674).

Almost surely, 2^54380019 is an apocalyptic number.

54380019 is a deficient number, since it is larger than the sum of its proper divisors (18126677).

54380019 is a wasteful number, since it uses less digits than its factorization.

54380019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18126676.

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 54380019 is about 7374.2809140960. The cubic root of 54380019 is about 378.8608985890.

The spelling of 54380019 in words is "fifty-four million, three hundred eighty thousand, nineteen".