5650639 has 4 divisors (see below), whose sum is σ = 5682040. Its totient is φ = 5619240.

The previous prime is 5650637. The next prime is 5650643. The reversal of 5650639 is 9360565.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9360565 = 5 ⋅1872113.

It is a cyclic number.

It is not a de Polignac number, because 5650639 - 2¹ = 5650637 is a prime.

It is a super-2 number, since 2×5650639² = 63859442216642, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5650637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15429 + ... + 15790.

It is an arithmetic number, because the mean of its divisors is an integer number (1420510).

Almost surely, 2^5650639 is an apocalyptic number.

5650639 is a deficient number, since it is larger than the sum of its proper divisors (31401).

5650639 is a wasteful number, since it uses less digits than its factorization.

5650639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31400.

The product of its (nonzero) digits is 24300, while the sum is 34.

The square root of 5650639 is about 2377.1072756609. The cubic root of 5650639 is about 178.1144636837.

The spelling of 5650639 in words is "five million, six hundred fifty thousand, six hundred thirty-nine".