5653872 has 120 divisors (see below), whose sum is σ = 18570240. Its totient is φ = 1572480.

The previous prime is 5653871. The next prime is 5653909. The reversal of 5653872 is 2783565.

5653872 is a `hidden beast` number, since 56 + 538 + 72 = 666.

It is a hoax number, since the sum of its digits (36) 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 (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5653871) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 71529 + ... + 71607.

It is an arithmetic number, because the mean of its divisors is an integer number (154752).

Almost surely, 2^5653872 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 5653872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9285120).

5653872 is an abundant number, since it is smaller than the sum of its proper divisors (12916368).

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

5653872 is a wasteful number, since it uses less digits than its factorization.

5653872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171 (or 162 counting only the distinct ones).

The product of its digits is 50400, while the sum is 36.

The square root of 5653872 is about 2377.7872066272. The cubic root of 5653872 is about 178.1484264664.

The spelling of 5653872 in words is "five million, six hundred fifty-three thousand, eight hundred seventy-two".