6405552 has 30 divisors (see below), whose sum is σ = 17927052. Its totient is φ = 2135136.

The previous prime is 6405547. The next prime is 6405559. The reversal of 6405552 is 2555046.

6405552 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (6405559) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 22098 + ... + 22385.

Almost surely, 2^6405552 is an apocalyptic number.

It is an amenable number.

6405552 is an abundant number, since it is smaller than the sum of its proper divisors (11521500).

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

6405552 is a wasteful number, since it uses less digits than its factorization.

6405552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44497 (or 44488 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The square root of 6405552 is about 2530.9192006068. The cubic root of 6405552 is about 185.7172255381.

The spelling of 6405552 in words is "six million, four hundred five thousand, five hundred fifty-two".