6555481 has 4 divisors (see below), whose sum is σ = 6653392. Its totient is φ = 6457572.

The previous prime is 6555463. The next prime is 6555491. The reversal of 6555481 is 1845556.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6555481 is a prime.

It is a super-2 number, since 2×6555481² = 85948662282722, which contains 22 as substring.

It is a Duffinian number.

6555481 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (6555491) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48855 + ... + 48988.

It is an arithmetic number, because the mean of its divisors is an integer number (1663348).

Almost surely, 2^6555481 is an apocalyptic number.

It is an amenable number.

6555481 is a deficient number, since it is larger than the sum of its proper divisors (97911).

6555481 is an equidigital number, since it uses as much as digits as its factorization.

6555481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97910.

The product of its digits is 24000, while the sum is 34.

The square root of 6555481 is about 2560.3673564549. The cubic root of 6555481 is about 187.1550374307.

The spelling of 6555481 in words is "six million, five hundred fifty-five thousand, four hundred eighty-one".