90050980 has 48 divisors (see below), whose sum is σ = 198705024. Its totient is φ = 34214400.

The previous prime is 90050977. The next prime is 90050999. The reversal of 90050980 is 8905009.

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, 74380 + ... + 75580.

It is an arithmetic number, because the mean of its divisors is an integer number (4139688).

Almost surely, 2^90050980 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 90050980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (99352512).

90050980 is an abundant number, since it is smaller than the sum of its proper divisors (108654044).

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

90050980 is a wasteful number, since it uses less digits than its factorization.

90050980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1396 (or 1394 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 31.

The square root of 90050980 is about 9489.5194820391. The cubic root of 90050980 is about 448.2250742448.

Adding to 90050980 its reverse (8905009), we get a palindrome (98955989).

The spelling of 90050980 in words is "ninety million, fifty thousand, nine hundred eighty".