5455521 has 24 divisors (see below), whose sum is σ = 8432424. Its totient is φ = 3386880.

The previous prime is 5455519. The next prime is 5455523. The reversal of 5455521 is 1255545.

5455521 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (5455519) and next prime (5455523).

It can be written as a sum of positive squares in 4 ways, for example, as 1354896 + 4100625 = 1164^2 + 2025^2 .

It is not a de Polignac number, because 5455521 - 2¹ = 5455519 is a prime.

5455521 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (5455523) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 27595 + ... + 27791.

It is an arithmetic number, because the mean of its divisors is an integer number (351351).

Almost surely, 2^5455521 is an apocalyptic number.

5455521 is a gapful number since it is divisible by the number (51) formed by its first and last digit.

It is an amenable number.

5455521 is a deficient number, since it is larger than the sum of its proper divisors (2976903).

5455521 is a wasteful number, since it uses less digits than its factorization.

5455521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 401 (or 398 counting only the distinct ones).

The product of its digits is 5000, while the sum is 27.

The square root of 5455521 is about 2335.7056749514. The cubic root of 5455521 is about 176.0402907929.

The spelling of 5455521 in words is "five million, four hundred fifty-five thousand, five hundred twenty-one".