50510022521 has 16 divisors (see below), whose sum is σ = 58232908800. Its totient is φ = 42914685840.

The previous prime is 50510022517. The next prime is 50510022571. The reversal of 50510022521 is 12522001505.

It is a cyclic number.

It is not a de Polignac number, because 50510022521 - 2² = 50510022517 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50510022571) 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 15 ways as a sum of consecutive naturals, for example, 782330 + ... + 844428.

It is an arithmetic number, because the mean of its divisors is an integer number (3639556800).

Almost surely, 2^50510022521 is an apocalyptic number.

It is an amenable number.

50510022521 is a deficient number, since it is larger than the sum of its proper divisors (7722886279).

50510022521 is a wasteful number, since it uses less digits than its factorization.

50510022521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63124.

The product of its (nonzero) digits is 1000, while the sum is 23.

The spelling of 50510022521 in words is "fifty billion, five hundred ten million, twenty-two thousand, five hundred twenty-one".