5571993 has 8 divisors (see below), whose sum is σ = 8490688. Its totient is φ = 3183984.

The previous prime is 5571989. The next prime is 5572001. The reversal of 5571993 is 3991755.

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

It is not a de Polignac number, because 5571993 - 2² = 5571989 is a prime.

It is a Duffinian number.

5571993 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (5571913) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 132646 + ... + 132687.

It is an arithmetic number, because the mean of its divisors is an integer number (1061336).

Almost surely, 2^5571993 is an apocalyptic number.

It is an amenable number.

5571993 is a deficient number, since it is larger than the sum of its proper divisors (2918695).

5571993 is a wasteful number, since it uses less digits than its factorization.

5571993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265343.

The product of its digits is 42525, while the sum is 39.

The square root of 5571993 is about 2360.5069370794. The cubic root of 5571993 is about 177.2842634534.

The spelling of 5571993 in words is "five million, five hundred seventy-one thousand, nine hundred ninety-three".