5521555 has 8 divisors (see below), whose sum is σ = 7135632. Its totient is φ = 4077408.

The previous prime is 5521553. The next prime is 5521559. The reversal of 5521555 is 5551255.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5521555 - 2¹ = 5521553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5521553) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42409 + ... + 42538.

It is an arithmetic number, because the mean of its divisors is an integer number (891954).

Almost surely, 2^5521555 is an apocalyptic number.

5521555 is a deficient number, since it is larger than the sum of its proper divisors (1614077).

5521555 is a wasteful number, since it uses less digits than its factorization.

5521555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84965.

The product of its digits is 6250, while the sum is 28.

The square root of 5521555 is about 2349.7989275681. The cubic root of 5521555 is about 176.7477121128.

The spelling of 5521555 in words is "five million, five hundred twenty-one thousand, five hundred fifty-five".