5597440 has 36 divisors (see below), whose sum is σ = 13410684. Its totient is φ = 2238464.

The previous prime is 5597413. The next prime is 5597461. The reversal of 5597440 is 447955.

5597440 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 2611456 + 2985984 = 1616^2 + 1728^2 .

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 5597396 and 5597405.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 907 + ... + 3466.

It is an arithmetic number, because the mean of its divisors is an integer number (372519).

Almost surely, 2^5597440 is an apocalyptic number.

It is an amenable number.

5597440 is an abundant number, since it is smaller than the sum of its proper divisors (7813244).

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

5597440 is an equidigital number, since it uses as much as digits as its factorization.

5597440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4394 (or 4380 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 34.

The square root of 5597440 is about 2365.8909526857. The cubic root of 5597440 is about 177.5537362926.

The spelling of 5597440 in words is "five million, five hundred ninety-seven thousand, four hundred forty".