5656780 has 24 divisors (see below), whose sum is σ = 11989152. Its totient is φ = 2241792.

The previous prime is 5656759. The next prime is 5656789. The reversal of 5656780 is 876565.

It is not an unprimeable number, because it can be changed into a prime (5656789) 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, 1009 + ... + 3511.

It is an arithmetic number, because the mean of its divisors is an integer number (499548).

Almost surely, 2^5656780 is an apocalyptic number.

It is an amenable number.

5656780 is an abundant number, since it is smaller than the sum of its proper divisors (6332372).

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

5656780 is a wasteful number, since it uses less digits than its factorization.

5656780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2625 (or 2623 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 37.

The square root of 5656780 is about 2378.3986209212. The cubic root of 5656780 is about 178.1789640538.

The spelling of 5656780 in words is "five million, six hundred fifty-six thousand, seven hundred eighty".