55105850 has 12 divisors (see below), whose sum is σ = 102496974. Its totient is φ = 22042320.

The previous prime is 55105847. The next prime is 55105937. The reversal of 55105850 is 5850155.

55105850 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 3 ways, for example, as 31125241 + 23980609 = 5579^2 + 4897^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 551009 + ... + 551108.

Almost surely, 2^55105850 is an apocalyptic number.

55105850 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

55105850 is a deficient number, since it is larger than the sum of its proper divisors (47391124).

55105850 is a wasteful number, since it uses less digits than its factorization.

55105850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1102129 (or 1102124 counting only the distinct ones).

The product of its (nonzero) digits is 5000, while the sum is 29.

The square root of 55105850 is about 7423.3314623557. The cubic root of 55105850 is about 380.5390548983.

It can be divided in two parts, 55105 and 850, that added together give a palindrome (55955).

The spelling of 55105850 in words is "fifty-five million, one hundred five thousand, eight hundred fifty".