5649511 has 8 divisors (see below), whose sum is σ = 6472224. Its totient is φ = 4830720.

The previous prime is 5649499. The next prime is 5649521. The reversal of 5649511 is 1159465.

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 5649511 - 2⁹ = 5648999 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5649521) 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, 3471 + ... + 4831.

It is an arithmetic number, because the mean of its divisors is an integer number (809028).

Almost surely, 2^5649511 is an apocalyptic number.

5649511 is a deficient number, since it is larger than the sum of its proper divisors (822713).

5649511 is a wasteful number, since it uses less digits than its factorization.

5649511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1961.

The product of its digits is 5400, while the sum is 31.

The square root of 5649511 is about 2376.8700006521. The cubic root of 5649511 is about 178.1026109543.

The spelling of 5649511 in words is "five million, six hundred forty-nine thousand, five hundred eleven".