5657447565 has 96 divisors (see below), whose sum is σ = 12634702080. Its totient is φ = 2351099520.

The previous prime is 5657447539. The next prime is 5657447567.

It is a happy number.

5657447565 is a `hidden beast` number, since 5 + 6 + 5 + 74 + 4 + 7 + 565 = 666.

5657447565 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 5657447565 - 2⁵ = 5657447533 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5657447567) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 89607 + ... + 139083.

It is an arithmetic number, because the mean of its divisors is an integer number (131611480).

Almost surely, 2^5657447565 is an apocalyptic number.

5657447565 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

5657447565 is an abundant number, since it is smaller than the sum of its proper divisors (6977254515).

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

5657447565 is a wasteful number, since it uses less digits than its factorization.

5657447565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49520 (or 49503 counting only the distinct ones).

The product of its digits is 17640000, while the sum is 54.

The square root of 5657447565 is about 75216.0060425971. The cubic root of 5657447565 is about 1781.8597283277.

The spelling of 5657447565 in words is "five billion, six hundred fifty-seven million, four hundred forty-seven thousand, five hundred sixty-five".