90055004 has 48 divisors (see below), whose sum is σ = 174636000. Its totient is φ = 40379136.

The previous prime is 90054997. The next prime is 90055027. The reversal of 90055004 is 40055009.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 457034 + ... + 457230.

It is an arithmetic number, because the mean of its divisors is an integer number (3638250).

Almost surely, 2^90055004 is an apocalyptic number.

It is an amenable number.

90055004 is a deficient number, since it is larger than the sum of its proper divisors (84580996).

90055004 is a wasteful number, since it uses less digits than its factorization.

90055004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 422 (or 420 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 23.

The square root of 90055004 is about 9489.7315030511. The cubic root of 90055004 is about 448.2317505772.

The spelling of 90055004 in words is "ninety million, fifty-five thousand, four".