5657908536 has 128 divisors (see below), whose sum is σ = 17981568000. Its totient is φ = 1614750336.

The previous prime is 5657908513. The next prime is 5657908537. The reversal of 5657908536 is 6358097565.

5657908536 is a `hidden beast` number, since 56 + 57 + 9 + 0 + 8 + 536 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5657908537) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1992910 + ... + 1995746.

It is an arithmetic number, because the mean of its divisors is an integer number (140481000).

Almost surely, 2^5657908536 is an apocalyptic number.

5657908536 is a gapful number since it is divisible by the number (56) 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 5657908536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8990784000).

5657908536 is an abundant number, since it is smaller than the sum of its proper divisors (12323659464).

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

5657908536 is a wasteful number, since it uses less digits than its factorization.

5657908536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4178 (or 4168 counting only the distinct ones).

The product of its (nonzero) digits is 6804000, while the sum is 54.

The square root of 5657908536 is about 75219.0702947065. The cubic root of 5657908536 is about 1781.9081225516.

The spelling of 5657908536 in words is "five billion, six hundred fifty-seven million, nine hundred eight thousand, five hundred thirty-six".