5457664 has 18 divisors (see below), whose sum is σ = 10894520. Its totient is φ = 2728704.

The previous prime is 5457659. The next prime is 5457667. The reversal of 5457664 is 4667545.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5457667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10404 + ... + 10915.

Almost surely, 2^5457664 is an apocalyptic number.

It is an amenable number.

5457664 is a deficient number, since it is larger than the sum of its proper divisors (5436856).

5457664 is an equidigital number, since it uses as much as digits as its factorization.

5457664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21335 (or 21321 counting only the distinct ones).

The product of its digits is 100800, while the sum is 37.

The square root of 5457664 is about 2336.1643777782. The cubic root of 5457664 is about 176.0633380850.

The spelling of 5457664 in words is "five million, four hundred fifty-seven thousand, six hundred sixty-four".