5511691 has 8 divisors (see below), whose sum is σ = 5829120. Its totient is φ = 5197032.

The previous prime is 5511683. The next prime is 5511713. The reversal of 5511691 is 1961155.

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

It is not a de Polignac number, because 5511691 - 2³ = 5511683 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5511601) 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, 4446 + ... + 5548.

It is an arithmetic number, because the mean of its divisors is an integer number (728640).

Almost surely, 2^5511691 is an apocalyptic number.

5511691 is a deficient number, since it is larger than the sum of its proper divisors (317429).

5511691 is a wasteful number, since it uses less digits than its factorization.

5511691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1385.

The product of its digits is 1350, while the sum is 28.

The square root of 5511691 is about 2347.6990863396. The cubic root of 5511691 is about 176.6423988659.

The spelling of 5511691 in words is "five million, five hundred eleven thousand, six hundred ninety-one".