555044406 has 64 divisors (see below), whose sum is σ = 1299110400. Its totient is φ = 154826496.

The previous prime is 555044401. The next prime is 555044411. The reversal of 555044406 is 604440555.

It is an interprime number because it is at equal distance from previous prime (555044401) and next prime (555044411).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (555044401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 309360 + ... + 311148.

It is an arithmetic number, because the mean of its divisors is an integer number (20298600).

Almost surely, 2^555044406 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 555044406, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (649555200).

555044406 is an abundant number, since it is smaller than the sum of its proper divisors (744065994).

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

555044406 is a wasteful number, since it uses less digits than its factorization.

555044406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1973.

The product of its (nonzero) digits is 48000, while the sum is 33.

The square root of 555044406 is about 23559.3804247905. The cubic root of 555044406 is about 821.8184934400.

The spelling of 555044406 in words is "five hundred fifty-five million, forty-four thousand, four hundred six".