50982772645 has 16 divisors (see below), whose sum is σ = 70011145728. Its totient is φ = 34913658240.

The previous prime is 50982772613. The next prime is 50982772649. The reversal of 50982772645 is 54627728905.

It is not a de Polignac number, because 50982772645 - 2⁵ = 50982772613 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50982772649) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 930429 + ... + 983698.

It is an arithmetic number, because the mean of its divisors is an integer number (4375696608).

Almost surely, 2^50982772645 is an apocalyptic number.

It is an amenable number.

50982772645 is a deficient number, since it is larger than the sum of its proper divisors (19028373083).

50982772645 is a wasteful number, since it uses less digits than its factorization.

50982772645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1914900.

The product of its (nonzero) digits is 8467200, while the sum is 55.

The spelling of 50982772645 in words is "fifty billion, nine hundred eighty-two million, seven hundred seventy-two thousand, six hundred forty-five".