905590055 has 16 divisors (see below), whose sum is σ = 1092929760. Its totient is φ = 720339072.

The previous prime is 905590033. The next prime is 905590061. The reversal of 905590055 is 550095509.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 905590055 - 2⁶ = 905589991 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 907817 + ... + 908813.

It is an arithmetic number, because the mean of its divisors is an integer number (68308110).

Almost surely, 2^905590055 is an apocalyptic number.

905590055 is a deficient number, since it is larger than the sum of its proper divisors (187339705).

905590055 is a wasteful number, since it uses less digits than its factorization.

905590055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1858.

The product of its (nonzero) digits is 50625, while the sum is 38.

The square root of 905590055 is about 30093.0233609054. The cubic root of 905590055 is about 967.4842005223.

The spelling of 905590055 in words is "nine hundred five million, five hundred ninety thousand, fifty-five".