5655740 has 24 divisors (see below), whose sum is σ = 12080880. Its totient is φ = 2223488.

The previous prime is 5655739. The next prime is 5655743. The reversal of 5655740 is 475565.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 5655697 and 5655706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5655743) 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, 1217 + ... + 3576.

It is an arithmetic number, because the mean of its divisors is an integer number (503370).

Almost surely, 2^5655740 is an apocalyptic number.

It is an amenable number.

5655740 is an abundant number, since it is smaller than the sum of its proper divisors (6425140).

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

5655740 is a wasteful number, since it uses less digits than its factorization.

5655740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4861 (or 4859 counting only the distinct ones).

The product of its (nonzero) digits is 21000, while the sum is 32.

The square root of 5655740 is about 2378.1799763685. The cubic root of 5655740 is about 178.1680439733.

The spelling of 5655740 in words is "five million, six hundred fifty-five thousand, seven hundred forty".