5691648 has 36 divisors (see below), whose sum is σ = 15150128. Its totient is φ = 1896960.

The previous prime is 5691641. The next prime is 5691667. The reversal of 5691648 is 8461965.

It is a nialpdrome in base 15.

It is a zygodrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (5691641) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2938 + ... + 4473.

Almost surely, 2^5691648 is an apocalyptic number.

It is an amenable number.

5691648 is an abundant number, since it is smaller than the sum of its proper divisors (9458480).

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

5691648 is an equidigital number, since it uses as much as digits as its factorization.

5691648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7430 (or 7416 counting only the distinct ones).

The product of its digits is 51840, while the sum is 39.

The square root of 5691648 is about 2385.7175021364. The cubic root of 5691648 is about 178.5443086891.

The spelling of 5691648 in words is "five million, six hundred ninety-one thousand, six hundred forty-eight".