55000550050 has 48 divisors (see below), whose sum is σ = 102958738344. Its totient is φ = 21859200000.

The previous prime is 55000550009. The next prime is 55000550051. The reversal of 55000550050 is 5005500055.

It can be written as a sum of positive squares in 12 ways, for example, as 16677397881 + 38323152169 = 129141^2 + 195763^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 55000549997 and 55000550024.

It is not an unprimeable number, because it can be changed into a prime (55000550051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5550100 + ... + 5560000.

Almost surely, 2^55000550050 is an apocalyptic number.

55000550050 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

55000550050 is a deficient number, since it is larger than the sum of its proper divisors (47958188294).

55000550050 is a wasteful number, since it uses less digits than its factorization.

55000550050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10615 (or 10610 counting only the distinct ones).

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

The spelling of 55000550050 in words is "fifty-five billion, five hundred fifty thousand, fifty".