5571840 has 72 divisors (see below), whose sum is σ = 17807328. Its totient is φ = 1484800.

The previous prime is 5571833. The next prime is 5571851. The reversal of 5571840 is 481755.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a zygodrome in base 4.

It is a junction number, because it is equal to n+sod(n) for n = 5571798 and 5571807.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3115 + ... + 4565.

It is an arithmetic number, because the mean of its divisors is an integer number (247324).

Almost surely, 2^5571840 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 5571840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8903664).

5571840 is an abundant number, since it is smaller than the sum of its proper divisors (12235488).

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

5571840 is a wasteful number, since it uses less digits than its factorization.

5571840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1475 (or 1461 counting only the distinct ones).

The product of its (nonzero) digits is 5600, while the sum is 30.

The square root of 5571840 is about 2360.4745285641. The cubic root of 5571840 is about 177.2826407701.

The spelling of 5571840 in words is "five million, five hundred seventy-one thousand, eight hundred forty".