5657601808 has 20 divisors (see below), whose sum is σ = 11228960988. Its totient is φ = 2759805440.

The previous prime is 5657601787. The next prime is 5657601857. The reversal of 5657601808 is 8081067565.

It can be written as a sum of positive squares in 2 ways, for example, as 3168789264 + 2488812544 = 56292^2 + 49888^2 .

It is a super-3 number, since 3×5657601808³ (a number of 30 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4311541 + ... + 4312852.

Almost surely, 2^5657601808 is an apocalyptic number.

It is an amenable number.

5657601808 is a deficient number, since it is larger than the sum of its proper divisors (5571359180).

5657601808 is a wasteful number, since it uses less digits than its factorization.

5657601808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8624442 (or 8624436 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 46.

The square root of 5657601808 is about 75217.0313692318. The cubic root of 5657601808 is about 1781.8759215485.

The spelling of 5657601808 in words is "five billion, six hundred fifty-seven million, six hundred one thousand, eight hundred eight".