33555004252 has 48 divisors (see below), whose sum is σ = 75572582400. Its totient is φ = 12651652800.

The previous prime is 33555004247. The next prime is 33555004261. The reversal of 33555004252 is 25240055533.

It is a super-2 number, since 2×33555004252² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 1747627 + ... + 1766722.

It is an arithmetic number, because the mean of its divisors is an integer number (1574428800).

Almost surely, 2^33555004252 is an apocalyptic number.

It is an amenable number.

33555004252 is an abundant number, since it is smaller than the sum of its proper divisors (42017578148).

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

33555004252 is a wasteful number, since it uses less digits than its factorization.

33555004252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3514402 (or 3514400 counting only the distinct ones).

The product of its (nonzero) digits is 90000, while the sum is 34.

Adding to 33555004252 its reverse (25240055533), we get a palindrome (58795059785).

The spelling of 33555004252 in words is "thirty-three billion, five hundred fifty-five million, four thousand, two hundred fifty-two".