50215221532 has 24 divisors (see below), whose sum is σ = 100594311776. Its totient is φ = 21485694528.

The previous prime is 50215221521. The next prime is 50215221559. The reversal of 50215221532 is 23512251205.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a self number, because there is not a number n which added to its sum of digits gives 50215221532.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1445643 + ... + 1479970.

Almost surely, 2^50215221532 is an apocalyptic number.

It is an amenable number.

50215221532 is an abundant number, since it is smaller than the sum of its proper divisors (50379090244).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

50215221532 is a wasteful number, since it uses less digits than its factorization.

50215221532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2926237 (or 2926235 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 28.

Adding to 50215221532 its reverse (23512251205), we get a palindrome (73727472737).

The spelling of 50215221532 in words is "fifty billion, two hundred fifteen million, two hundred twenty-one thousand, five hundred thirty-two".