5491975 has 6 divisors (see below), whose sum is σ = 6810080. Its totient is φ = 4393560.

The previous prime is 5491973. The next prime is 5491979. The reversal of 5491975 is 5791945.

It is not a de Polignac number, because 5491975 - 2¹ = 5491973 is a prime.

5491975 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5491973) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 109815 + ... + 109864.

Almost surely, 2^5491975 is an apocalyptic number.

5491975 is a deficient number, since it is larger than the sum of its proper divisors (1318105).

5491975 is a wasteful number, since it uses less digits than its factorization.

5491975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219689 (or 219684 counting only the distinct ones).

The product of its digits is 56700, while the sum is 40.

The square root of 5491975 is about 2343.4963196045. The cubic root of 5491975 is about 176.4315233246.

It can be divided in two parts, 54 and 91975, that added together give a palindrome (92029).

The spelling of 5491975 in words is "five million, four hundred ninety-one thousand, nine hundred seventy-five".