900550005 has 16 divisors (see below), whose sum is σ = 1449512064. Its totient is φ = 477416000.

The previous prime is 900549983. The next prime is 900550019. The reversal of 900550005 is 500055009.

It is not a de Polignac number, because 900550005 - 2⁶ = 900549941 is a prime.

It is a Curzon number.

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, 177246 + ... + 182255.

It is an arithmetic number, because the mean of its divisors is an integer number (90594504).

Almost surely, 2^900550005 is an apocalyptic number.

It is an amenable number.

900550005 is a deficient number, since it is larger than the sum of its proper divisors (548962059).

900550005 is a wasteful number, since it uses less digits than its factorization.

900550005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 359676.

The product of its (nonzero) digits is 1125, while the sum is 24.

The square root of 900550005 is about 30009.1653499393. The cubic root of 900550005 is about 965.6860201068.

The spelling of 900550005 in words is "nine hundred million, five hundred fifty thousand, five".