5578920 has 48 divisors (see below), whose sum is σ = 18132660. Its totient is φ = 1487616.

The previous prime is 5578871. The next prime is 5578921. The reversal of 5578920 is 298755.

5578920 is a `hidden beast` number, since 557 + 89 + 20 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 5280804 + 298116 = 2298^2 + 546^2 .

It is a super-2 number, since 2×5578920² = 62248696732800, which contains 22 as substring.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (5578921) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7389 + ... + 8108.

Almost surely, 2^5578920 is an apocalyptic number.

It is an amenable number.

5578920 is an abundant number, since it is smaller than the sum of its proper divisors (12553740).

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

5578920 is a wasteful number, since it uses less digits than its factorization.

5578920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15514 (or 15507 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 36.

The square root of 5578920 is about 2361.9737509126. The cubic root of 5578920 is about 177.3576985510.

The spelling of 5578920 in words is "five million, five hundred seventy-eight thousand, nine hundred twenty".