504440055 has 144 divisors (see below), whose sum is σ = 1088025120. Its totient is φ = 223388928.

The previous prime is 504440017. The next prime is 504440077. The reversal of 504440055 is 550044405.

It is not a de Polignac number, because 504440055 - 2¹⁴ = 504423671 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 2202681 + ... + 2202909.

It is an arithmetic number, because the mean of its divisors is an integer number (7555730).

Almost surely, 2^504440055 is an apocalyptic number.

504440055 is an abundant number, since it is smaller than the sum of its proper divisors (583585065).

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

504440055 is a wasteful number, since it uses less digits than its factorization.

504440055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 300 (or 281 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 27.

The square root of 504440055 is about 22459.7429860629. The cubic root of 504440055 is about 796.0429884909.

The spelling of 504440055 in words is "five hundred four million, four hundred forty thousand, fifty-five".