21532535524050 has 48 divisors (see below), whose sum is σ = 53462566391040. Its totient is φ = 5735355893440.

The previous prime is 21532535524033. The next prime is 21532535524067. The reversal of 21532535524050 is 5042553523512.

It is an interprime number because it is at equal distance from previous prime (21532535524033) and next prime (21532535524067).

It is a junction number, because it is equal to n+sod(n) for n = 21532535523993 and 21532535524011.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 83039865 + ... + 83298764.

It is an arithmetic number, because the mean of its divisors is an integer number (1113803466480).

Almost surely, 2^{21532535524050} is an apocalyptic number.

21532535524050 is an abundant number, since it is smaller than the sum of its proper divisors (31930030866990).

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

21532535524050 is a wasteful number, since it uses less digits than its factorization.

21532535524050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166339507 (or 166339502 counting only the distinct ones).

The product of its (nonzero) digits is 900000, while the sum is 42.

The spelling of 21532535524050 in words is "twenty-one trillion, five hundred thirty-two billion, five hundred thirty-five million, five hundred twenty-four thousand, fifty".