90550050 has 24 divisors (see below), whose sum is σ = 224564496. Its totient is φ = 24146640.

The previous prime is 90550049. The next prime is 90550051. The reversal of 90550050 is 5005509.

It is an interprime number because it is at equal distance from previous prime (90550049) and next prime (90550051).

It is a self number, because there is not a number n which added to its sum of digits gives 90550050.

It is not an unprimeable number, because it can be changed into a prime (90550051) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 301684 + ... + 301983.

It is an arithmetic number, because the mean of its divisors is an integer number (9356854).

Almost surely, 2^90550050 is an apocalyptic number.

90550050 is an abundant number, since it is smaller than the sum of its proper divisors (134014446).

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

90550050 is a wasteful number, since it uses less digits than its factorization.

90550050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 603682 (or 603677 counting only the distinct ones).

The product of its (nonzero) digits is 1125, while the sum is 24.

The square root of 90550050 is about 9515.7790012169. The cubic root of 90550050 is about 449.0515827729.

Adding to 90550050 its reverse (5005509), we get a palindrome (95555559).

The spelling of 90550050 in words is "ninety million, five hundred fifty thousand, fifty".