50774559387 has 4 divisors (see below), whose sum is σ = 67699412520. Its totient is φ = 33849706256.

The previous prime is 50774559383. The next prime is 50774559461. The reversal of 50774559387 is 78395547705.

It is a happy number.

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 50774559387 - 2² = 50774559383 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 50774559387.

It is not an unprimeable number, because it can be changed into a prime (50774559383) 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, 8462426562 + ... + 8462426567.

It is an arithmetic number, because the mean of its divisors is an integer number (16924853130).

Almost surely, 2^50774559387 is an apocalyptic number.

50774559387 is a deficient number, since it is larger than the sum of its proper divisors (16924853133).

50774559387 is a wasteful number, since it uses less digits than its factorization.

50774559387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16924853132.

The product of its (nonzero) digits is 37044000, while the sum is 60.

The spelling of 50774559387 in words is "fifty billion, seven hundred seventy-four million, five hundred fifty-nine thousand, three hundred eighty-seven".