50378822091 has 144 divisors (see below), whose sum is σ = 85465860480. Its totient is φ = 28478960640.

The previous prime is 50378822071. The next prime is 50378822141. The reversal of 50378822091 is 19022887305.

It is a happy number.

50378822091 is a `hidden beast` number, since 50 + 378 + 8 + 220 + 9 + 1 = 666.

It is not a de Polignac number, because 50378822091 - 2¹⁰ = 50378821067 is a prime.

It is a super-2 number, since 2×50378822091² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (50378822071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 362437500 + ... + 362437638.

It is an arithmetic number, because the mean of its divisors is an integer number (593512920).

Almost surely, 2^50378822091 is an apocalyptic number.

50378822091 is a gapful number since it is divisible by the number (51) formed by its first and last digit.

50378822091 is a deficient number, since it is larger than the sum of its proper divisors (35087038389).

50378822091 is a wasteful number, since it uses less digits than its factorization.

50378822091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 426 (or 410 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 45.

The spelling of 50378822091 in words is "fifty billion, three hundred seventy-eight million, eight hundred twenty-two thousand, ninety-one".