50728210618 has 32 divisors (see below), whose sum is σ = 82961308800. Its totient is φ = 23171956416.

The previous prime is 50728210609. The next prime is 50728210627. The reversal of 50728210618 is 81601282705.

It is an interprime number because it is at equal distance from previous prime (50728210609) and next prime (50728210627).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 878980 + ... + 934912.

It is an arithmetic number, because the mean of its divisors is an integer number (2592540900).

Almost surely, 2^50728210618 is an apocalyptic number.

50728210618 is a gapful number since it is divisible by the number (58) formed by its first and last digit.

50728210618 is a deficient number, since it is larger than the sum of its proper divisors (32233098182).

50728210618 is a wasteful number, since it uses less digits than its factorization.

50728210618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56806.

The product of its (nonzero) digits is 53760, while the sum is 40.

The spelling of 50728210618 in words is "fifty billion, seven hundred twenty-eight million, two hundred ten thousand, six hundred eighteen".