5585978 has 4 divisors (see below), whose sum is σ = 8378970. Its totient is φ = 2792988.

The previous prime is 5585977. The next prime is 5585989. The reversal of 5585978 is 8795855.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8795855 = 5 ⋅1759171.

It can be written as a sum of positive squares in only one way, i.e., 5583769 + 2209 = 2363^2 + 47^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (5585977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1396493 + ... + 1396496.

Almost surely, 2^5585978 is an apocalyptic number.

5585978 is a deficient number, since it is larger than the sum of its proper divisors (2792992).

5585978 is a wasteful number, since it uses less digits than its factorization.

5585978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2792991.

The product of its digits is 504000, while the sum is 47.

The square root of 5585978 is about 2363.4673680844. The cubic root of 5585978 is about 177.4324599217.

The spelling of 5585978 in words is "five million, five hundred eighty-five thousand, nine hundred seventy-eight".