5521284 has 30 divisors (see below), whose sum is σ = 14434574. Its totient is φ = 1840320.

The previous prime is 5521283. The next prime is 5521289. The reversal of 5521284 is 4821255.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 5391684 + 129600 = 2322^2 + 360^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (5521283) 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 9 ways as a sum of consecutive naturals, for example, 8197 + ... + 8844.

Almost surely, 2^5521284 is an apocalyptic number.

5521284 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is an amenable number.

5521284 is an abundant number, since it is smaller than the sum of its proper divisors (8913290).

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

5521284 is a wasteful number, since it uses less digits than its factorization.

5521284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17057 (or 17046 counting only the distinct ones).

The product of its digits is 3200, while the sum is 27.

The square root of 5521284 is about 2349.7412623521. The cubic root of 5521284 is about 176.7448204507.

The spelling of 5521284 in words is "five million, five hundred twenty-one thousand, two hundred eighty-four".