54520093 has 4 divisors (see below), whose sum is σ = 55548828. Its totient is φ = 53491360.

The previous prime is 54520073. The next prime is 54520157. The reversal of 54520093 is 39002545.

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

It can be written as a sum of positive squares in 2 ways, for example, as 31843449 + 22676644 = 5643^2 + 4762^2 .

It is a cyclic number.

It is not a de Polignac number, because 54520093 - 2⁹ = 54519581 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 (54520013) 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, 514288 + ... + 514393.

It is an arithmetic number, because the mean of its divisors is an integer number (13887207).

Almost surely, 2^54520093 is an apocalyptic number.

54520093 is a gapful number since it is divisible by the number (53) formed by its first and last digit.

It is an amenable number.

54520093 is a deficient number, since it is larger than the sum of its proper divisors (1028735).

54520093 is a wasteful number, since it uses less digits than its factorization.

54520093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1028734.

The product of its (nonzero) digits is 5400, while the sum is 28.

The square root of 54520093 is about 7383.7722743866. The cubic root of 54520093 is about 379.1859141754.

The spelling of 54520093 in words is "fifty-four million, five hundred twenty thousand, ninety-three".