54487093 has 4 divisors (see below), whose sum is σ = 55143648. Its totient is φ = 53830540.

The previous prime is 54487087. The next prime is 54487123. The reversal of 54487093 is 39078445.

It is the 3014-th star number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 54487093 - 2⁵ = 54487061 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54437093) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 328153 + ... + 328318.

It is an arithmetic number, because the mean of its divisors is an integer number (13785912).

Almost surely, 2^54487093 is an apocalyptic number.

It is an amenable number.

54487093 is a deficient number, since it is larger than the sum of its proper divisors (656555).

54487093 is an equidigital number, since it uses as much as digits as its factorization.

54487093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 656554.

The product of its (nonzero) digits is 120960, while the sum is 40.

The square root of 54487093 is about 7381.5373060088. The cubic root of 54487093 is about 379.1093940035.

The spelling of 54487093 in words is "fifty-four million, four hundred eighty-seven thousand, ninety-three".