5611642 has 8 divisors (see below), whose sum is σ = 8645076. Its totient is φ = 2729952.

The previous prime is 5611637. The next prime is 5611643. The reversal of 5611642 is 2461165.

It can be written as a sum of positive squares in 2 ways, for example, as 4490161 + 1121481 = 2119^2 + 1059^2 .

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

It is not an unprimeable number, because it can be changed into a prime (5611643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37843 + ... + 37990.

Almost surely, 2^5611642 is an apocalyptic number.

5611642 is a deficient number, since it is larger than the sum of its proper divisors (3033434).

5611642 is a wasteful number, since it uses less digits than its factorization.

5611642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75872.

The product of its digits is 1440, while the sum is 25.

The square root of 5611642 is about 2368.8904575771. The cubic root of 5611642 is about 177.7037744363.

The spelling of 5611642 in words is "five million, six hundred eleven thousand, six hundred forty-two".