55103637634380 has 192 divisors, whose sum is σ = 172723027276800. Its totient is φ = 14584181552640.

The previous prime is 55103637634369. The next prime is 55103637634387. The reversal of 55103637634380 is 8343673630155.

55103637634380 is a `hidden beast` number, since 5 + 5 + 103 + 63 + 76 + 34 + 380 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (55103637634387) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 38425911 + ... + 39834129.

It is an arithmetic number, because the mean of its divisors is an integer number (899599100400).

Almost surely, 2^{55103637634380} 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 55103637634380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86361513638400).

55103637634380 is an abundant number, since it is smaller than the sum of its proper divisors (117619389642420).

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

55103637634380 is a wasteful number, since it uses less digits than its factorization.

55103637634380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1408781 (or 1408773 counting only the distinct ones).

The product of its (nonzero) digits is 16329600, while the sum is 54.

The spelling of 55103637634380 in words is "fifty-five trillion, one hundred three billion, six hundred thirty-seven million, six hundred thirty-four thousand, three hundred eighty".