5571939 has 4 divisors (see below), whose sum is σ = 7429256. Its totient is φ = 3714624.

The previous prime is 5571931. The next prime is 5571947. The reversal of 5571939 is 9391755.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (5571931) and next prime (5571947).

It is not a de Polignac number, because 5571939 - 2³ = 5571931 is a prime.

It is a D-number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5571897 and 5571906.

It is not an unprimeable number, because it can be changed into a prime (5571931) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 928654 + ... + 928659.

It is an arithmetic number, because the mean of its divisors is an integer number (1857314).

Almost surely, 2^5571939 is an apocalyptic number.

5571939 is a deficient number, since it is larger than the sum of its proper divisors (1857317).

5571939 is a wasteful number, since it uses less digits than its factorization.

5571939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1857316.

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

The square root of 5571939 is about 2360.4954988307. The cubic root of 5571939 is about 177.2836907451.

The spelling of 5571939 in words is "five million, five hundred seventy-one thousand, nine hundred thirty-nine".