5478091 has 4 divisors (see below), whose sum is σ = 5571000. Its totient is φ = 5385184.

The previous prime is 5478073. The next prime is 5478107. The reversal of 5478091 is 1908745.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1908745 = 5 ⋅381749.

It is a cyclic number.

It is not a de Polignac number, because 5478091 - 2⁷ = 5477963 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (5478001) 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, 46366 + ... + 46483.

It is an arithmetic number, because the mean of its divisors is an integer number (1392750).

Almost surely, 2^5478091 is an apocalyptic number.

5478091 is a deficient number, since it is larger than the sum of its proper divisors (92909).

5478091 is an equidigital number, since it uses as much as digits as its factorization.

5478091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92908.

The product of its (nonzero) digits is 10080, while the sum is 34.

The square root of 5478091 is about 2340.5322044356. The cubic root of 5478091 is about 176.2827218223.

The spelling of 5478091 in words is "five million, four hundred seventy-eight thousand, ninety-one".