33990050 has 48 divisors (see below), whose sum is σ = 68418240. Its totient is φ = 12519360.

The previous prime is 33990037. The next prime is 33990053. The reversal of 33990050 is 5009933.

It is a junction number, because it is equal to n+sod(n) for n = 33989995 and 33990022.

It is not an unprimeable number, because it can be changed into a prime (33990053) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 34667 + ... + 35633.

It is an arithmetic number, because the mean of its divisors is an integer number (1425380).

Almost surely, 2^33990050 is an apocalyptic number.

33990050 is an abundant number, since it is smaller than the sum of its proper divisors (34428190).

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

33990050 is a wasteful number, since it uses less digits than its factorization.

33990050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1035 (or 1030 counting only the distinct ones).

The product of its (nonzero) digits is 3645, while the sum is 29.

The square root of 33990050 is about 5830.0986269531. The cubic root of 33990050 is about 323.9295749490.

Adding to 33990050 its reverse (5009933), we get a palindrome (38999983).

The spelling of 33990050 in words is "thirty-three million, nine hundred ninety thousand, fifty".