5715520 has 56 divisors (see below), whose sum is σ = 13908024. Its totient is φ = 2236416.

The previous prime is 5715499. The next prime is 5715527. The reversal of 5715520 is 255175.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 553536 + 5161984 = 744^2 + 2272^2 .

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (5715527) 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, 16792 + ... + 17128.

Almost surely, 2^5715520 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 5715520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6954012).

5715520 is an abundant number, since it is smaller than the sum of its proper divisors (8192504).

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

5715520 is a wasteful number, since it uses less digits than its factorization.

5715520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 407 (or 397 counting only the distinct ones).

The product of its (nonzero) digits is 1750, while the sum is 25.

The square root of 5715520 is about 2390.7153741088. The cubic root of 5715520 is about 178.7935783035.

It can be divided in two parts, 57155 and 20, that added together give a palindrome (57175).

The spelling of 5715520 in words is "five million, seven hundred fifteen thousand, five hundred twenty".