50421157594 has 32 divisors (see below), whose sum is σ = 77655346704. Its totient is φ = 24545748480.

The previous prime is 50421157529. The next prime is 50421157607. The reversal of 50421157594 is 49575112405.

It can be written as a sum of positive squares in 8 ways, for example, as 5838946569 + 44582211025 = 76413^2 + 211145^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 50421157594.

It is an unprimeable number.

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, 4912572 + ... + 4922824.

Almost surely, 2^50421157594 is an apocalyptic number.

50421157594 is a deficient number, since it is larger than the sum of its proper divisors (27234189110).

50421157594 is a wasteful number, since it uses less digits than its factorization.

50421157594 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10722.

The product of its (nonzero) digits is 252000, while the sum is 43.

Adding to 50421157594 its reverse (49575112405), we get a palindrome (99996269999).

The spelling of 50421157594 in words is "fifty billion, four hundred twenty-one million, one hundred fifty-seven thousand, five hundred ninety-four".