5521837 has 4 divisors (see below), whose sum is σ = 5812480. Its totient is φ = 5231196.

The previous prime is 5521819. The next prime is 5521891. The reversal of 5521837 is 7381255.

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 a cyclic number.

It is not a de Polignac number, because 5521837 - 2⁷ = 5521709 is a prime.

5521837 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 5521799 and 5521808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5521807) 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, 145293 + ... + 145330.

It is an arithmetic number, because the mean of its divisors is an integer number (1453120).

Almost surely, 2^5521837 is an apocalyptic number.

It is an amenable number.

5521837 is a deficient number, since it is larger than the sum of its proper divisors (290643).

5521837 is a wasteful number, since it uses less digits than its factorization.

5521837 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290642.

The product of its digits is 8400, while the sum is 31.

The square root of 5521837 is about 2349.8589319361. The cubic root of 5521837 is about 176.7507210481.

It can be divided in two parts, 55218 and 37, that added together give a palindrome (55255).

The spelling of 5521837 in words is "five million, five hundred twenty-one thousand, eight hundred thirty-seven".