5771665 has 8 divisors (see below), whose sum is σ = 6963048. Its totient is φ = 4592640.

The previous prime is 5771663. The next prime is 5771671. The reversal of 5771665 is 5661775.

It can be written as a sum of positive squares in 4 ways, for example, as 88209 + 5683456 = 297^2 + 2384^2 .

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

It is not a de Polignac number, because 5771665 - 2¹ = 5771663 is a prime.

It is a d-powerful number, because it can be written as 5 + 7⁴ + 7⁸ + 1 + 6² + 6⁴ + 5⁵ .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5771663) 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, 2026 + ... + 3955.

It is an arithmetic number, because the mean of its divisors is an integer number (870381).

Almost surely, 2^5771665 is an apocalyptic number.

It is an amenable number.

5771665 is a deficient number, since it is larger than the sum of its proper divisors (1191383).

5771665 is a wasteful number, since it uses less digits than its factorization.

5771665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6179.

The product of its digits is 44100, while the sum is 37.

The square root of 5771665 is about 2402.4289791792. The cubic root of 5771665 is about 179.3771165682.

The spelling of 5771665 in words is "five million, seven hundred seventy-one thousand, six hundred sixty-five".