5285520 has 80 divisors (see below), whose sum is σ = 18213120. Its totient is φ = 1408896.

The previous prime is 5285513. The next prime is 5285537. The reversal of 5285520 is 255825.

5285520 = T₃₂₀ + T₃₂₁ + ... + T₄₀₀.

5285520 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (80).

It is a hoax number, since the sum of its digits (27) 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 (27).

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 937 + ... + 3383.

It is an arithmetic number, because the mean of its divisors is an integer number (227664).

Almost surely, 2^5285520 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 5285520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9106560).

5285520 is an abundant number, since it is smaller than the sum of its proper divisors (12927600).

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

5285520 is a wasteful number, since it uses less digits than its factorization.

5285520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2469 (or 2457 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 27.

The square root of 5285520 is about 2299.0258806721. The cubic root of 5285520 is about 174.1924149667.

The spelling of 5285520 in words is "five million, two hundred eighty-five thousand, five hundred twenty".