55111060050 has 48 divisors (see below), whose sum is σ = 136898618880. Its totient is φ = 14672283840.

The previous prime is 55111060031. The next prime is 55111060057. The reversal of 55111060050 is 5006011155.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 55111060050.

It is not an unprimeable number, because it can be changed into a prime (55111060057) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 207730 + ... + 391629.

It is an arithmetic number, because the mean of its divisors is an integer number (2852054560).

Almost surely, 2^55111060050 is an apocalyptic number.

55111060050 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

55111060050 is an abundant number, since it is smaller than the sum of its proper divisors (81787558830).

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

55111060050 is a wasteful number, since it uses less digits than its factorization.

55111060050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 599987 (or 599982 counting only the distinct ones).

The product of its (nonzero) digits is 750, while the sum is 24.

The spelling of 55111060050 in words is "fifty-five billion, one hundred eleven million, sixty thousand, fifty".