50578284381 has 16 divisors (see below), whose sum is σ = 68095282560. Its totient is φ = 33390604800.

The previous prime is 50578284347. The next prime is 50578284397. The reversal of 50578284381 is 18348287505.

It is not a de Polignac number, because 50578284381 - 2¹⁴ = 50578267997 is a prime.

It is a super-2 number, since 2×50578284381² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50578284781) 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 15 ways as a sum of consecutive naturals, for example, 316656 + ... + 448806.

It is an arithmetic number, because the mean of its divisors is an integer number (4255955160).

Almost surely, 2^50578284381 is an apocalyptic number.

It is an amenable number.

50578284381 is a deficient number, since it is larger than the sum of its proper divisors (17516998179).

50578284381 is a wasteful number, since it uses less digits than its factorization.

50578284381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133396.

The product of its (nonzero) digits is 2150400, while the sum is 51.

The spelling of 50578284381 in words is "fifty billion, five hundred seventy-eight million, two hundred eighty-four thousand, three hundred eighty-one".