50921254250 has 16 divisors (see below), whose sum is σ = 95324588424. Its totient is φ = 20368501600.

The previous prime is 50921254231. The next prime is 50921254289. The reversal of 50921254250 is 5245212905.

It can be written as a sum of positive squares in 4 ways, for example, as 33467409481 + 17453844769 = 182941^2 + 132113^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 50921254250.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 101842259 + ... + 101842758.

Almost surely, 2^50921254250 is an apocalyptic number.

50921254250 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

50921254250 is a deficient number, since it is larger than the sum of its proper divisors (44403334174).

50921254250 is a wasteful number, since it uses less digits than its factorization.

50921254250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203685034 (or 203685024 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 35.

The spelling of 50921254250 in words is "fifty billion, nine hundred twenty-one million, two hundred fifty-four thousand, two hundred fifty".