5487578 has 4 divisors (see below), whose sum is σ = 8231370. Its totient is φ = 2743788.

The previous prime is 5487551. The next prime is 5487611. The reversal of 5487578 is 8757845.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8757845 = 5 ⋅1751569.

It can be written as a sum of positive squares in only one way, i.e., 4609609 + 877969 = 2147^2 + 937^2 .

It is a super-2 number, since 2×5487578² = 60227024612168, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1371893 + ... + 1371896.

Almost surely, 2^5487578 is an apocalyptic number.

5487578 is a deficient number, since it is larger than the sum of its proper divisors (2743792).

5487578 is a wasteful number, since it uses less digits than its factorization.

5487578 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2743791.

The product of its digits is 313600, while the sum is 44.

The square root of 5487578 is about 2342.5580035508. The cubic root of 5487578 is about 176.3844257241.

The spelling of 5487578 in words is "five million, four hundred eighty-seven thousand, five hundred seventy-eight".