50213636450 has 12 divisors (see below), whose sum is σ = 93397363890. Its totient is φ = 20085454560.

The previous prime is 50213636419. The next prime is 50213636453. The reversal of 50213636450 is 5463631205.

It can be written as a sum of positive squares in 3 ways, for example, as 42538650001 + 7674986449 = 206249^2 + 87607^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 50213636450.

It is not an unprimeable number, because it can be changed into a prime (50213636453) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 502136315 + ... + 502136414.

Almost surely, 2^50213636450 is an apocalyptic number.

50213636450 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

50213636450 is a deficient number, since it is larger than the sum of its proper divisors (43183727440).

50213636450 is a wasteful number, since it uses less digits than its factorization.

50213636450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1004272741 (or 1004272736 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 35.

The spelling of 50213636450 in words is "fifty billion, two hundred thirteen million, six hundred thirty-six thousand, four hundred fifty".