5755521 has 4 divisors (see below), whose sum is σ = 7674032. Its totient is φ = 3837012.

The previous prime is 5755517. The next prime is 5755531. The reversal of 5755521 is 1255575.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 5755521 - 2² = 5755517 is a prime.

It is a D-number.

It is a Duffinian number.

5755521 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (5755531) 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, 959251 + ... + 959256.

It is an arithmetic number, because the mean of its divisors is an integer number (1918508).

Almost surely, 2^5755521 is an apocalyptic number.

It is an amenable number.

5755521 is a deficient number, since it is larger than the sum of its proper divisors (1918511).

5755521 is a wasteful number, since it uses less digits than its factorization.

5755521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1918510.

The product of its digits is 8750, while the sum is 30.

The square root of 5755521 is about 2399.0666935290. The cubic root of 5755521 is about 179.2097143603.

The spelling of 5755521 in words is "five million, seven hundred fifty-five thousand, five hundred twenty-one".