55500005611050 has 768 divisors, whose sum is σ = 191679187746816. Its totient is φ = 10254988800000.

The previous prime is 55500005610913. The next prime is 55500005611051. The reversal of 55500005611050 is 5011650000555.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (55500005611051) by changing a digit.

It is a polite number, since it can be written in 383 ways as a sum of consecutive naturals, for example, 561061095 + ... + 561160005.

It is an arithmetic number, because the mean of its divisors is an integer number (249582275712).

Almost surely, 2^{55500005611050} is an apocalyptic number.

55500005611050 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 55500005611050, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (95839593873408).

55500005611050 is an abundant number, since it is smaller than the sum of its proper divisors (136179182135766).

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

55500005611050 is a wasteful number, since it uses less digits than its factorization.

55500005611050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99095 (or 99090 counting only the distinct ones).

The product of its (nonzero) digits is 18750, while the sum is 33.

The spelling of 55500005611050 in words is "fifty-five trillion, five hundred billion, five million, six hundred eleven thousand, fifty".