50875390549 has 4 divisors (see below), whose sum is σ = 51078081600. Its totient is φ = 50672699500.

The previous prime is 50875390541. The next prime is 50875390583. The reversal of 50875390549 is 94509357805.

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: 94509357805 = 5 ⋅18901871561.

It is a cyclic number.

It is not a de Polignac number, because 50875390549 - 2³ = 50875390541 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 50875390549.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50875390541) 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, 101345149 + ... + 101345650.

It is an arithmetic number, because the mean of its divisors is an integer number (12769520400).

Almost surely, 2^50875390549 is an apocalyptic number.

It is an amenable number.

50875390549 is a deficient number, since it is larger than the sum of its proper divisors (202691051).

50875390549 is a wasteful number, since it uses less digits than its factorization.

50875390549 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202691050.

The product of its (nonzero) digits is 6804000, while the sum is 55.

The spelling of 50875390549 in words is "fifty billion, eight hundred seventy-five million, three hundred ninety thousand, five hundred forty-nine".