55505500250 has 16 divisors (see below), whose sum is σ = 103906296936. Its totient is φ = 22202200000.

The previous prime is 55505500229. The next prime is 55505500291. The reversal of 55505500250 is 5200550555.

55505500250 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 6596850841 + 48908649409 = 81221^2 + 221153^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 111010751 + ... + 111011250.

Almost surely, 2^55505500250 is an apocalyptic number.

55505500250 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

55505500250 is a deficient number, since it is larger than the sum of its proper divisors (48400796686).

55505500250 is a wasteful number, since it uses less digits than its factorization.

55505500250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222022018 (or 222022008 counting only the distinct ones).

The product of its (nonzero) digits is 31250, while the sum is 32.

The spelling of 55505500250 in words is "fifty-five billion, five hundred five million, five hundred thousand, two hundred fifty".