5657648544 has 72 divisors (see below), whose sum is σ = 16935740640. Its totient is φ = 1786624128.

The previous prime is 5657648539. The next prime is 5657648551. The reversal of 5657648544 is 4458467565.

5657648544 is a `hidden beast` number, since 5 + 6 + 57 + 6 + 48 + 544 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 511492 + ... + 522435.

It is an arithmetic number, because the mean of its divisors is an integer number (235218620).

Almost surely, 2^5657648544 is an apocalyptic number.

It is an amenable number.

5657648544 is an abundant number, since it is smaller than the sum of its proper divisors (11278092096).

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

5657648544 is a wasteful number, since it uses less digits than its factorization.

5657648544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1033962 (or 1033951 counting only the distinct ones).

The product of its digits is 16128000, while the sum is 54.

The square root of 5657648544 is about 75217.3420429092. The cubic root of 5657648544 is about 1781.8808280752.

The spelling of 5657648544 in words is "five billion, six hundred fifty-seven million, six hundred forty-eight thousand, five hundred forty-four".