55633041436220 has 96 divisors (see below), whose sum is σ = 121790334758400. Its totient is φ = 21320139859200.

The previous prime is 55633041436127. The next prime is 55633041436223. The reversal of 55633041436220 is 2263414033655.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55633041436223) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1364504435 + ... + 1364545205.

It is an arithmetic number, because the mean of its divisors is an integer number (1268649320400).

Almost surely, 2^{55633041436220} 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 55633041436220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60895167379200).

55633041436220 is an abundant number, since it is smaller than the sum of its proper divisors (66157293322180).

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

55633041436220 is a wasteful number, since it uses less digits than its factorization.

55633041436220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58899 (or 58897 counting only the distinct ones).

The product of its (nonzero) digits is 1555200, while the sum is 44.

Adding to 55633041436220 its reverse (2263414033655), we get a palindrome (57896455469875).

The spelling of 55633041436220 in words is "fifty-five trillion, six hundred thirty-three billion, forty-one million, four hundred thirty-six thousand, two hundred twenty".