5491765 has 8 divisors (see below), whose sum is σ = 6977880. Its totient is φ = 4134912.

The previous prime is 5491763. The next prime is 5491771. The reversal of 5491765 is 5671945.

5491765 is nontrivially palindromic in base 16.

It can be written as a sum of positive squares in 4 ways, for example, as 1874161 + 3617604 = 1369^2 + 1902^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 5491765 - 2¹ = 5491763 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5491763) 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, 32220 + ... + 32389.

It is an arithmetic number, because the mean of its divisors is an integer number (872235).

Almost surely, 2^5491765 is an apocalyptic number.

It is an amenable number.

5491765 is a deficient number, since it is larger than the sum of its proper divisors (1486115).

5491765 is a wasteful number, since it uses less digits than its factorization.

5491765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64631.

The product of its digits is 37800, while the sum is 37.

The square root of 5491765 is about 2343.4515143267. The cubic root of 5491765 is about 176.4292745227.

It can be divided in two parts, 54 and 91765, that added together give a palindrome (91819).

The spelling of 5491765 in words is "five million, four hundred ninety-one thousand, seven hundred sixty-five".