33540052 has 24 divisors (see below), whose sum is σ = 72240896. Its totient is φ = 13268448.

The previous prime is 33540011. The next prime is 33540053. The reversal of 33540052 is 25004533.

It is a super-2 number, since 2×33540052² = 2249870176325408, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33540053) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45708 + ... + 46435.

Almost surely, 2^33540052 is an apocalyptic number.

It is an amenable number.

33540052 is an abundant number, since it is smaller than the sum of its proper divisors (38700844).

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

33540052 is a wasteful number, since it uses less digits than its factorization.

33540052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92167 (or 92165 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 22.

The square root of 33540052 is about 5791.3773836627. The cubic root of 33540052 is about 322.4937065855.

Adding to 33540052 its reverse (25004533), we get a palindrome (58544585).

The spelling of 33540052 in words is "thirty-three million, five hundred forty thousand, fifty-two".