50522255421 has 24 divisors (see below), whose sum is σ = 74157373920. Its totient is φ = 30572514720.

The previous prime is 50522255417. The next prime is 50522255437. The reversal of 50522255421 is 12455222505.

It is a happy number.

It is not a de Polignac number, because 50522255421 - 2² = 50522255417 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50522255401) 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 23 ways as a sum of consecutive naturals, for example, 130470 + ... + 343608.

It is an arithmetic number, because the mean of its divisors is an integer number (3089890580).

Almost surely, 2^50522255421 is an apocalyptic number.

It is an amenable number.

50522255421 is a deficient number, since it is larger than the sum of its proper divisors (23635118499).

50522255421 is a wasteful number, since it uses less digits than its factorization.

50522255421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213817 (or 213806 counting only the distinct ones).

The product of its (nonzero) digits is 40000, while the sum is 33.

Adding to 50522255421 its reverse (12455222505), we get a palindrome (62977477926).

The spelling of 50522255421 in words is "fifty billion, five hundred twenty-two million, two hundred fifty-five thousand, four hundred twenty-one".