90665050 has 48 divisors (see below), whose sum is σ = 195112512. Its totient is φ = 30700800.

The previous prime is 90665023. The next prime is 90665077. The reversal of 90665050 is 5056609.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (90665023) and next prime (90665077).

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, 27490 + ... + 30610.

It is an arithmetic number, because the mean of its divisors is an integer number (4064844).

Almost surely, 2^90665050 is an apocalyptic number.

90665050 is an abundant number, since it is smaller than the sum of its proper divisors (104447462).

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

90665050 is a wasteful number, since it uses less digits than its factorization.

90665050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3223 (or 3218 counting only the distinct ones).

The product of its (nonzero) digits is 8100, while the sum is 31.

The square root of 90665050 is about 9521.8196790319. The cubic root of 90665050 is about 449.2416032306.

It can be divided in two parts, 906 and 65050, that added together give a palindrome (65956).

The spelling of 90665050 in words is "ninety million, six hundred sixty-five thousand, fifty".