475809055 has 4 divisors (see below), whose sum is σ = 570970872. Its totient is φ = 380647240.

The previous prime is 475809043. The next prime is 475809071. The reversal of 475809055 is 550908574.

It is a semiprime because it is the product of two primes.

It is a de Polignac number, because none of the positive numbers 2^k-475809055 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47580901 + ... + 47580910.

It is an arithmetic number, because the mean of its divisors is an integer number (142742718).

Almost surely, 2^475809055 is an apocalyptic number.

475809055 is a deficient number, since it is larger than the sum of its proper divisors (95161817).

475809055 is an equidigital number, since it uses as much as digits as its factorization.

475809055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95161816.

The product of its (nonzero) digits is 252000, while the sum is 43.

The square root of 475809055 is about 21813.0478154704. The cubic root of 475809055 is about 780.6881145520.

The spelling of 475809055 in words is "four hundred seventy-five million, eight hundred nine thousand, fifty-five".