5636520 has 128 divisors (see below), whose sum is σ = 19958400. Its totient is φ = 1410048.

The previous prime is 5636471. The next prime is 5636539. The reversal of 5636520 is 256365.

5636520 is a `hidden beast` number, since 5 + 6 + 3 + 652 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18207 + ... + 18513.

It is an arithmetic number, because the mean of its divisors is an integer number (155925).

Almost surely, 2^5636520 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5636520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9979200).

5636520 is an abundant number, since it is smaller than the sum of its proper divisors (14321880).

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

5636520 is a wasteful number, since it uses less digits than its factorization.

5636520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 344 (or 334 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

The square root of 5636520 is about 2374.1356321828. The cubic root of 5636520 is about 177.9659910618.

The spelling of 5636520 in words is "five million, six hundred thirty-six thousand, five hundred twenty".