90289050 has 48 divisors (see below), whose sum is σ = 231151872. Its totient is φ = 23299200.

The previous prime is 90289049. The next prime is 90289063. The reversal of 90289050 is 5098209.

It is a super-2 number, since 2×90289050² = 16304225099805000, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5059 + ... + 14358.

It is an arithmetic number, because the mean of its divisors is an integer number (4815664).

Almost surely, 2^90289050 is an apocalyptic number.

90289050 is an abundant number, since it is smaller than the sum of its proper divisors (140862822).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

90289050 is a wasteful number, since it uses less digits than its factorization.

90289050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19463 (or 19458 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 33.

The square root of 90289050 is about 9502.0550408846. The cubic root of 90289050 is about 448.6197212360.

The spelling of 90289050 in words is "ninety million, two hundred eighty-nine thousand, fifty".