5521637 has 4 divisors (see below), whose sum is σ = 6023616. Its totient is φ = 5019660.

The previous prime is 5521631. The next prime is 5521643. The reversal of 5521637 is 7361255.

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 an interprime number because it is at equal distance from previous prime (5521631) and next prime (5521643).

It is a cyclic number.

It is not a de Polignac number, because 5521637 - 2⁶ = 5521573 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 (5521631) 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, 250973 + ... + 250994.

It is an arithmetic number, because the mean of its divisors is an integer number (1505904).

Almost surely, 2^5521637 is an apocalyptic number.

It is an amenable number.

5521637 is a deficient number, since it is larger than the sum of its proper divisors (501979).

5521637 is a wasteful number, since it uses less digits than its factorization.

5521637 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 501978.

The product of its digits is 6300, while the sum is 29.

The square root of 5521637 is about 2349.8163758047. The cubic root of 5521637 is about 176.7485870620.

The spelling of 5521637 in words is "five million, five hundred twenty-one thousand, six hundred thirty-seven".