5578660 has 24 divisors (see below), whose sum is σ = 11878776. Its totient is φ = 2200320.

The previous prime is 5578637. The next prime is 5578663. The reversal of 5578660 is 668755.

It can be written as a sum of positive squares in 4 ways, for example, as 1705636 + 3873024 = 1306^2 + 1968^2 .

It is a super-2 number, since 2×5578660² = 62242894791200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (5578663) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 451 + ... + 3370.

It is an arithmetic number, because the mean of its divisors is an integer number (494949).

Almost surely, 2^5578660 is an apocalyptic number.

It is an amenable number.

5578660 is an abundant number, since it is smaller than the sum of its proper divisors (6300116).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5578660 is a wasteful number, since it uses less digits than its factorization.

5578660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3903 (or 3901 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 37.

The square root of 5578660 is about 2361.9187115563. The cubic root of 5578660 is about 177.3549433153.

The spelling of 5578660 in words is "five million, five hundred seventy-eight thousand, six hundred sixty".