5521698 has 48 divisors (see below), whose sum is σ = 14728896. Its totient is φ = 1455840.

The previous prime is 5521697. The next prime is 5521709. The reversal of 5521698 is 8961255.

It is a happy number.

5521698 is a `hidden beast` number, since 552 + 16 + 98 = 666.

It is not an unprimeable number, because it can be changed into a prime (5521693) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 48 + ... + 3323.

It is an arithmetic number, because the mean of its divisors is an integer number (306852).

Almost surely, 2^5521698 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5521698, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7364448).

5521698 is an abundant number, since it is smaller than the sum of its proper divisors (9207198).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5521698 is a wasteful number, since it uses less digits than its factorization.

5521698 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3399 (or 3396 counting only the distinct ones).

The product of its digits is 21600, while the sum is 36.

The square root of 5521698 is about 2349.8293555065. The cubic root of 5521698 is about 176.7492379332.

The spelling of 5521698 in words is "five million, five hundred twenty-one thousand, six hundred ninety-eight".