33331234552 has 128 divisors (see below), whose sum is σ = 82627776000. Its totient is φ = 12203458560.

The previous prime is 33331234543. The next prime is 33331234567. The reversal of 33331234552 is 25543213333.

It is a super-2 number, since 2×33331234552² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8050899 + ... + 8055037.

It is an arithmetic number, because the mean of its divisors is an integer number (645529500).

Almost surely, 2^33331234552 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 33331234552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41313888000).

33331234552 is an abundant number, since it is smaller than the sum of its proper divisors (49296541448).

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

33331234552 is a wasteful number, since it uses less digits than its factorization.

33331234552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4949 (or 4945 counting only the distinct ones).

The product of its digits is 97200, while the sum is 34.

Adding to 33331234552 its reverse (25543213333), we get a palindrome (58874447885).

The spelling of 33331234552 in words is "thirty-three billion, three hundred thirty-one million, two hundred thirty-four thousand, five hundred fifty-two".