90904552 has 16 divisors (see below), whose sum is σ = 170547300. Its totient is φ = 45425280.

The previous prime is 90904549. The next prime is 90904573. The reversal of 90904552 is 25540909.

It can be written as a sum of positive squares in 2 ways, for example, as 90897156 + 7396 = 9534^2 + 86^2 .

It is a super-3 number, since 3×90904552³ (a number of 25 digits) contains 333 as substring.

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, 23902 + ... + 27442.

Almost surely, 2^90904552 is an apocalyptic number.

It is an amenable number.

90904552 is a deficient number, since it is larger than the sum of its proper divisors (79642748).

90904552 is a wasteful number, since it uses less digits than its factorization.

90904552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6756 (or 6752 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 34.

The square root of 90904552 is about 9534.3878670841. The cubic root of 90904552 is about 449.6368296176.

The spelling of 90904552 in words is "ninety million, nine hundred four thousand, five hundred fifty-two".