5657000000 has 98 divisors (see below), whose sum is σ = 14034312546. Its totient is φ = 2262400000.

The previous prime is 5656999919. The next prime is 5657000009. The reversal of 5657000000 is 7565.

It can be written as a sum of positive squares in 7 ways, for example, as 5268437056 + 388562944 = 72584^2 + 19712^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 5657000000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5657000009) by changing a digit.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 997172 + ... + 1002828.

Almost surely, 2^5657000000 is an apocalyptic number.

5657000000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5657000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7017156273).

5657000000 is an abundant number, since it is smaller than the sum of its proper divisors (8377312546).

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

5657000000 is an frugal number, since it uses more digits than its factorization.

5657000000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5699 (or 5664 counting only the distinct ones).

The product of its (nonzero) digits is 1050, while the sum is 23.

The square root of 5657000000 is about 75213.0307858951. The cubic root of 5657000000 is about 1781.8127389936.

Adding to 5657000000 its reverse (7565), we get a palindrome (5657007565).

The spelling of 5657000000 in words is "five billion, six hundred fifty-seven million", and thus it is an aban number.