5655720 has 64 divisors (see below), whose sum is σ = 19393920. Its totient is φ = 1292544.

The previous prime is 5655659. The next prime is 5655721. The reversal of 5655720 is 275565.

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

It is not an unprimeable number, because it can be changed into a prime (5655721) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2527 + ... + 4206.

It is an arithmetic number, because the mean of its divisors is an integer number (303030).

Almost surely, 2^5655720 is an apocalyptic number.

It is an amenable number.

5655720 is an abundant number, since it is smaller than the sum of its proper divisors (13738200).

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

5655720 is a wasteful number, since it uses less digits than its factorization.

5655720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6754 (or 6750 counting only the distinct ones).

The product of its (nonzero) digits is 10500, while the sum is 30.

The square root of 5655720 is about 2378.1757714685. The cubic root of 5655720 is about 178.1678339586.

The spelling of 5655720 in words is "five million, six hundred fifty-five thousand, seven hundred twenty".