50529196561 has 4 divisors (see below), whose sum is σ = 50615277552. Its totient is φ = 50443115572.

The previous prime is 50529196559. The next prime is 50529196579. The reversal of 50529196561 is 16569192505.

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, and also an emirpimes, since its reverse is a distinct semiprime: 16569192505 = 5 ⋅3313838501.

It is a cyclic number.

It is not a de Polignac number, because 50529196561 - 2¹ = 50529196559 is a prime.

It is a super-3 number, since 3×50529196561³ (a number of 33 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50529196061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43039615 + ... + 43040788.

It is an arithmetic number, because the mean of its divisors is an integer number (12653819388).

Almost surely, 2^50529196561 is an apocalyptic number.

It is an amenable number.

50529196561 is a deficient number, since it is larger than the sum of its proper divisors (86080991).

50529196561 is an equidigital number, since it uses as much as digits as its factorization.

50529196561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86080990.

The product of its (nonzero) digits is 729000, while the sum is 49.

The spelling of 50529196561 in words is "fifty billion, five hundred twenty-nine million, one hundred ninety-six thousand, five hundred sixty-one".