55500005050000 has 120 divisors (see below), whose sum is σ = 153606254945472. Its totient is φ = 19028573040000.

The previous prime is 55500005049989. The next prime is 55500005050001. The reversal of 55500005050000 is 5050000555.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (55500005050001) 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, 78935722 + ... + 79635721.

Almost surely, 2^{55500005050000} is an apocalyptic number.

55500005050000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

55500005050000 is an abundant number, since it is smaller than the sum of its proper divisors (98106249895472).

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

55500005050000 is an equidigital number, since it uses as much as digits as its factorization.

55500005050000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158571483 (or 158571457 counting only the distinct ones).

The product of its (nonzero) digits is 3125, while the sum is 25.

Adding to 55500005050000 its reverse (5050000555), we get a palindrome (55505055050555).

The spelling of 55500005050000 in words is "fifty-five trillion, five hundred billion, five million, fifty thousand".