33140555 has 8 divisors (see below), whose sum is σ = 45449952. Its totient is φ = 22724928.

The previous prime is 33140551. The next prime is 33140561. The reversal of 33140555 is 55504133.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 33140555 - 2² = 33140551 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (33140551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 473402 + ... + 473471.

It is an arithmetic number, because the mean of its divisors is an integer number (5681244).

Almost surely, 2^33140555 is an apocalyptic number.

33140555 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

33140555 is a deficient number, since it is larger than the sum of its proper divisors (12309397).

33140555 is an equidigital number, since it uses as much as digits as its factorization.

33140555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 946885.

The product of its (nonzero) digits is 4500, while the sum is 26.

The square root of 33140555 is about 5756.7833900539. The cubic root of 33140555 is about 321.2081768644.

Adding to 33140555 its reverse (55504133), we get a palindrome (88644688).

The spelling of 33140555 in words is "thirty-three million, one hundred forty thousand, five hundred fifty-five".