5521365 has 20 divisors (see below), whose sum is σ = 9898284. Its totient is φ = 2944512.

The previous prime is 5521363. The next prime is 5521391. The reversal of 5521365 is 5631255.

5521365 is nontrivially palindromic in base 11.

It can be written as a sum of positive squares in 2 ways, for example, as 2954961 + 2566404 = 1719^2 + 1602^2 .

It is not a de Polignac number, because 5521365 - 2¹ = 5521363 is a prime.

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

5521365 is an undulating number in base 11.

It is a zygodrome in base 4.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5521361) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 6412 + ... + 7221.

Almost surely, 2^5521365 is an apocalyptic number.

It is an amenable number.

5521365 is a deficient number, since it is larger than the sum of its proper divisors (4376919).

5521365 is a wasteful number, since it uses less digits than its factorization.

5521365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13650 (or 13641 counting only the distinct ones).

The product of its digits is 4500, while the sum is 27.

The square root of 5521365 is about 2349.7584982291. The cubic root of 5521365 is about 176.7456847581.

It can be divided in two parts, 55213 and 65, that added together give a triangular number (55278 = T₃₃₂).

The spelling of 5521365 in words is "five million, five hundred twenty-one thousand, three hundred sixty-five".