5649750 has 112 divisors (see below), whose sum is σ = 16368768. Its totient is φ = 1458000.

The previous prime is 5649739. The next prime is 5649757. The reversal of 5649750 is 579465.

5649750 is a `hidden beast` number, since 5 + 649 + 7 + 5 + 0 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5649757) by changing a digit.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 182235 + ... + 182265.

Almost surely, 2^5649750 is an apocalyptic number.

5649750 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 5649750, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8184384).

5649750 is an abundant number, since it is smaller than the sum of its proper divisors (10719018).

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

5649750 is an equidigital number, since it uses as much as digits as its factorization.

5649750 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66 (or 41 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 36.

The square root of 5649750 is about 2376.9202763240. The cubic root of 5649750 is about 178.1051224356.

The spelling of 5649750 in words is "five million, six hundred forty-nine thousand, seven hundred fifty".