50425387421 has 16 divisors (see below), whose sum is σ = 53644368960. Its totient is φ = 47264060160.

The previous prime is 50425387409. The next prime is 50425387457. The reversal of 50425387421 is 12478352405.

It is a cyclic number.

It is not a de Polignac number, because 50425387421 - 2¹⁴ = 50425371037 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50425387721) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1604741 + ... + 1635861.

It is an arithmetic number, because the mean of its divisors is an integer number (3352773060).

Almost surely, 2^50425387421 is an apocalyptic number.

It is an amenable number.

50425387421 is a deficient number, since it is larger than the sum of its proper divisors (3218981539).

50425387421 is a wasteful number, since it uses less digits than its factorization.

50425387421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32044.

The product of its (nonzero) digits is 268800, while the sum is 41.

The spelling of 50425387421 in words is "fifty billion, four hundred twenty-five million, three hundred eighty-seven thousand, four hundred twenty-one".