5643957 has 8 divisors (see below), whose sum is σ = 8209440. Its totient is φ = 3420560.

The previous prime is 5643923. The next prime is 5643961. The reversal of 5643957 is 7593465.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 5643957 - 2¹⁶ = 5578421 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5643857) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85482 + ... + 85547.

It is an arithmetic number, because the mean of its divisors is an integer number (1026180).

Almost surely, 2^5643957 is an apocalyptic number.

It is an amenable number.

5643957 is a deficient number, since it is larger than the sum of its proper divisors (2565483).

5643957 is a wasteful number, since it uses less digits than its factorization.

5643957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171043.

The product of its digits is 113400, while the sum is 39.

The square root of 5643957 is about 2375.7013701221. The cubic root of 5643957 is about 178.0442279526.

The spelling of 5643957 in words is "five million, six hundred forty-three thousand, nine hundred fifty-seven".