5571449 has 8 divisors (see below), whose sum is σ = 6146952. Its totient is φ = 5016960.

The previous prime is 5571437. The next prime is 5571457. The reversal of 5571449 is 9441755.

It can be written as a sum of positive squares in 4 ways, for example, as 313600 + 5257849 = 560^2 + 2293^2 .

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

It is a de Polignac number, because none of the positive numbers 2^k-5571449 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (5571409) by changing a digit.

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, 4694 + ... + 5759.

It is an arithmetic number, because the mean of its divisors is an integer number (768369).

Almost surely, 2^5571449 is an apocalyptic number.

It is an amenable number.

5571449 is a deficient number, since it is larger than the sum of its proper divisors (575503).

5571449 is a wasteful number, since it uses less digits than its factorization.

5571449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10507.

The product of its digits is 25200, while the sum is 35.

The square root of 5571449 is about 2360.3917047812. The cubic root of 5571449 is about 177.2784937777.

It can be divided in two parts, 5 and 571449, that multiplied together give a triangular number (2857245 = T₂₃₉₀).

The spelling of 5571449 in words is "five million, five hundred seventy-one thousand, four hundred forty-nine".