50366012016521 has 4 divisors (see below), whose sum is σ = 51219673237200. Its totient is φ = 49512350795844.

The previous prime is 50366012016491. The next prime is 50366012016539. The reversal of 50366012016521 is 12561021066305.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 50366012016521 - 2¹⁴ = 50366012000137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50366012066521) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 426830610251 + ... + 426830610368.

It is an arithmetic number, because the mean of its divisors is an integer number (12804918309300).

Almost surely, 2^{50366012016521} is an apocalyptic number.

It is an amenable number.

50366012016521 is a deficient number, since it is larger than the sum of its proper divisors (853661220679).

50366012016521 is an equidigital number, since it uses as much as digits as its factorization.

50366012016521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 853661220678.

The product of its (nonzero) digits is 64800, while the sum is 38.

The spelling of 50366012016521 in words is "fifty trillion, three hundred sixty-six billion, twelve million, sixteen thousand, five hundred twenty-one".