55505550050050 has 48 divisors (see below), whose sum is σ = 106094657766240. Its totient is φ = 21592816640640.

The previous prime is 55505550050033. The next prime is 55505550050087. The reversal of 55505550050050 is 5005005550555.

It is a junction number, because it is equal to n+sod(n) for n = 55505550049985 and 55505550050012.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 54899340 + ... + 55901239.

It is an arithmetic number, because the mean of its divisors is an integer number (2210305370130).

Almost surely, 2^{55505550050050} is an apocalyptic number.

55505550050050 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

55505550050050 is a deficient number, since it is larger than the sum of its proper divisors (50589107716190).

55505550050050 is a wasteful number, since it uses less digits than its factorization.

55505550050050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110800867 (or 110800862 counting only the distinct ones).

The product of its (nonzero) digits is 390625, while the sum is 40.

The spelling of 55505550050050 in words is "fifty-five trillion, five hundred five billion, five hundred fifty million, fifty thousand, fifty".