55011105050 has 24 divisors (see below), whose sum is σ = 111622534272. Its totient is φ = 20004038000.

The previous prime is 55011105047. The next prime is 55011105067. The reversal of 55011105050 is 5050111055.

It is a happy number.

It is a hoax number, since the sum of its digits (23) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 50009546 + ... + 50010645.

It is an arithmetic number, because the mean of its divisors is an integer number (4650938928).

Almost surely, 2^55011105050 is an apocalyptic number.

55011105050 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

55011105050 is an abundant number, since it is smaller than the sum of its proper divisors (56611429222).

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

55011105050 is a wasteful number, since it uses less digits than its factorization.

55011105050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100020214 (or 100020209 counting only the distinct ones).

The product of its (nonzero) digits is 625, while the sum is 23.

It can be divided in two parts, 55011 and 105050, that added together give a palindrome (160061).

The spelling of 55011105050 in words is "fifty-five billion, eleven million, one hundred five thousand, fifty".