50561356463 has 4 divisors (see below), whose sum is σ = 53535553920. Its totient is φ = 47587159008.

The previous prime is 50561356453. The next prime is 50561356519. The reversal of 50561356463 is 36465316505.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 50561356463 - 2¹⁴ = 50561340079 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50561356423) 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 3 ways as a sum of consecutive naturals, for example, 1487098703 + ... + 1487098736.

It is an arithmetic number, because the mean of its divisors is an integer number (13383888480).

Almost surely, 2^50561356463 is an apocalyptic number.

50561356463 is a deficient number, since it is larger than the sum of its proper divisors (2974197457).

50561356463 is a wasteful number, since it uses less digits than its factorization.

50561356463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2974197456.

The product of its (nonzero) digits is 972000, while the sum is 44.

The spelling of 50561356463 in words is "fifty billion, five hundred sixty-one million, three hundred fifty-six thousand, four hundred sixty-three".