54544015 has 4 divisors (see below), whose sum is σ = 65452824. Its totient is φ = 43635208.

The previous prime is 54543991. The next prime is 54544019. The reversal of 54544015 is 51044545.

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 54544015 - 2²³ = 46155407 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54544019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5454397 + ... + 5454406.

It is an arithmetic number, because the mean of its divisors is an integer number (16363206).

Almost surely, 2^54544015 is an apocalyptic number.

54544015 is a deficient number, since it is larger than the sum of its proper divisors (10908809).

54544015 is a wasteful number, since it uses less digits than its factorization.

54544015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10908808.

The product of its (nonzero) digits is 8000, while the sum is 28.

The square root of 54544015 is about 7385.3920004290. The cubic root of 54544015 is about 379.2413650412.

The spelling of 54544015 in words is "fifty-four million, five hundred forty-four thousand, fifteen".