5657538 has 16 divisors (see below), whose sum is σ = 11529216. Its totient is φ = 1850160.

The previous prime is 5657513. The next prime is 5657551. The reversal of 5657538 is 8357565.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 5657496 and 5657505.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8578 + ... + 9213.

It is an arithmetic number, because the mean of its divisors is an integer number (720576).

Almost surely, 2^5657538 is an apocalyptic number.

5657538 is an abundant number, since it is smaller than the sum of its proper divisors (5871678).

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

5657538 is a wasteful number, since it uses less digits than its factorization.

5657538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17849.

The product of its digits is 126000, while the sum is 39.

The square root of 5657538 is about 2378.5579664999. The cubic root of 5657538 is about 178.1869222693.

The spelling of 5657538 in words is "five million, six hundred fifty-seven thousand, five hundred thirty-eight".