33053018 has 4 divisors (see below), whose sum is σ = 49579530. Its totient is φ = 16526508.

The previous prime is 33053017. The next prime is 33053021. The reversal of 33053018 is 81035033.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 81035033 = 353 ⋅229561.

It can be written as a sum of positive squares in only one way, i.e., 28697449 + 4355569 = 5357^2 + 2087^2 .

It is a junction number, because it is equal to n+sod(n) for n = 33052984 and 33053002.

It is not an unprimeable number, because it can be changed into a prime (33053017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8263253 + ... + 8263256.

Almost surely, 2^33053018 is an apocalyptic number.

33053018 is a deficient number, since it is larger than the sum of its proper divisors (16526512).

33053018 is a wasteful number, since it uses less digits than its factorization.

33053018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16526511.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 33053018 is about 5749.1754191362. The cubic root of 33053018 is about 320.9251158933.

The spelling of 33053018 in words is "thirty-three million, fifty-three thousand, eighteen".