5657047920 has 60 divisors (see below), whose sum is σ = 18998255016. Its totient is φ = 1508545920.

The previous prime is 5657047889. The next prime is 5657047969. The reversal of 5657047920 is 297407565.

5657047920 is a `hidden beast` number, since 5 + 6 + 570 + 4 + 79 + 2 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (60).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3927786 + ... + 3929225.

Almost surely, 2^5657047920 is an apocalyptic number.

It is an amenable number.

5657047920 is an abundant number, since it is smaller than the sum of its proper divisors (13341207096).

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

5657047920 is a wasteful number, since it uses less digits than its factorization.

5657047920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7857030 (or 7857021 counting only the distinct ones).

The product of its (nonzero) digits is 529200, while the sum is 45.

The square root of 5657047920 is about 75213.3493470408. The cubic root of 5657047920 is about 1781.8177701777.

The spelling of 5657047920 in words is "five billion, six hundred fifty-seven million, forty-seven thousand, nine hundred twenty".