55335619836 has 216 divisors, whose sum is σ = 173453280000. Its totient is φ = 14787759168.

The previous prime is 55335619813. The next prime is 55335619853. The reversal of 55335619836 is 63891653355.

It is a happy number.

55335619836 is a `hidden beast` number, since 553 + 3 + 5 + 6 + 1 + 9 + 83 + 6 = 666.

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 71 ways as a sum of consecutive naturals, for example, 2637315 + ... + 2658213.

Almost surely, 2^55335619836 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 55335619836, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86726640000).

55335619836 is an abundant number, since it is smaller than the sum of its proper divisors (118117660164).

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

55335619836 is a wasteful number, since it uses less digits than its factorization.

55335619836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21021 (or 21009 counting only the distinct ones).

The product of its digits is 8748000, while the sum is 54.

The spelling of 55335619836 in words is "fifty-five billion, three hundred thirty-five million, six hundred nineteen thousand, eight hundred thirty-six".