5521739 has 4 divisors (see below), whose sum is σ = 5526600. Its totient is φ = 5516880.

The previous prime is 5521729. The next prime is 5521783. The reversal of 5521739 is 9371255.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 5521739 - 2¹² = 5517643 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5521709) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 287 + ... + 3335.

It is an arithmetic number, because the mean of its divisors is an integer number (1381650).

Almost surely, 2^5521739 is an apocalyptic number.

5521739 is a deficient number, since it is larger than the sum of its proper divisors (4861).

5521739 is a wasteful number, since it uses less digits than its factorization.

5521739 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4860.

The product of its digits is 9450, while the sum is 32.

The square root of 5521739 is about 2349.8380795280. The cubic root of 5521739 is about 176.7496754014.

The spelling of 5521739 in words is "five million, five hundred twenty-one thousand, seven hundred thirty-nine".