55033234033440 has 384 divisors, whose sum is σ = 196555448759040. Its totient is φ = 12831047958528.

The previous prime is 55033234033409. The next prime is 55033234033487. The reversal of 55033234033440 is 4433043233055.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 616111662 + ... + 616200978.

It is an arithmetic number, because the mean of its divisors is an integer number (511863147810).

Almost surely, 2^{55033234033440} 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 55033234033440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (98277724379520).

55033234033440 is an abundant number, since it is smaller than the sum of its proper divisors (141522214725600).

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

55033234033440 is a wasteful number, since it uses less digits than its factorization.

55033234033440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94564 (or 94556 counting only the distinct ones).

The product of its (nonzero) digits is 777600, while the sum is 39.

Adding to 55033234033440 its reverse (4433043233055), we get a palindrome (59466277266495).

The spelling of 55033234033440 in words is "fifty-five trillion, thirty-three billion, two hundred thirty-four million, thirty-three thousand, four hundred forty".