33057382 has 4 divisors (see below), whose sum is σ = 49586076. Its totient is φ = 16528690.

The previous prime is 33057347. The next prime is 33057383. The reversal of 33057382 is 28375033.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 28375033 = 751 ⋅37783.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33057383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8264344 + ... + 8264347.

It is an arithmetic number, because the mean of its divisors is an integer number (12396519).

Almost surely, 2^33057382 is an apocalyptic number.

33057382 is a deficient number, since it is larger than the sum of its proper divisors (16528694).

33057382 is a wasteful number, since it uses less digits than its factorization.

33057382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16528693.

The product of its (nonzero) digits is 15120, while the sum is 31.

The square root of 33057382 is about 5749.5549392975. The cubic root of 33057382 is about 320.9392392185.

The spelling of 33057382 in words is "thirty-three million, fifty-seven thousand, three hundred eighty-two".