55505016850 has 24 divisors (see below), whose sum is σ = 104546165760. Its totient is φ = 21920967120.

The previous prime is 55505016841. The next prime is 55505016943. The reversal of 55505016850 is 5861050555.

It is a happy number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 7022002 + ... + 7029901.

It is an arithmetic number, because the mean of its divisors is an integer number (4356090240).

Almost surely, 2^55505016850 is an apocalyptic number.

55505016850 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

55505016850 is a deficient number, since it is larger than the sum of its proper divisors (49041148910).

55505016850 is a wasteful number, since it uses less digits than its factorization.

55505016850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14051994 (or 14051989 counting only the distinct ones).

The product of its (nonzero) digits is 150000, while the sum is 40.

The spelling of 55505016850 in words is "fifty-five billion, five hundred five million, sixteen thousand, eight hundred fifty".