33057057 has 16 divisors (see below), whose sum is σ = 48185280. Its totient is φ = 19992000.

The previous prime is 33057047. The next prime is 33057083. The reversal of 33057057 is 75075033.

It is not a de Polignac number, because 33057057 - 2⁴ = 33057041 is a prime.

It is not an unprimeable number, because it can be changed into a prime (33057047) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22419 + ... + 23847.

It is an arithmetic number, because the mean of its divisors is an integer number (3011580).

Almost surely, 2^33057057 is an apocalyptic number.

It is an amenable number.

33057057 is a deficient number, since it is larger than the sum of its proper divisors (15128223).

33057057 is a wasteful number, since it uses less digits than its factorization.

33057057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2144.

The product of its (nonzero) digits is 11025, while the sum is 30.

The square root of 33057057 is about 5749.5266761708. The cubic root of 33057057 is about 320.9381874555.

The spelling of 33057057 in words is "thirty-three million, fifty-seven thousand, fifty-seven".