50656377287 has 4 divisors (see below), whose sum is σ = 50913516456. Its totient is φ = 50399238120.

The previous prime is 50656377281. The next prime is 50656377307. The reversal of 50656377287 is 78277365605.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 78277365605 = 5 ⋅15655473121.

It is a cyclic number.

It is not a de Polignac number, because 50656377287 - 2⁴ = 50656377271 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 (50656377281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 128569289 + ... + 128569682.

It is an arithmetic number, because the mean of its divisors is an integer number (12728379114).

Almost surely, 2^50656377287 is an apocalyptic number.

50656377287 is a deficient number, since it is larger than the sum of its proper divisors (257139169).

50656377287 is a wasteful number, since it uses less digits than its factorization.

50656377287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257139168.

The product of its (nonzero) digits is 14817600, while the sum is 56.

The spelling of 50656377287 in words is "fifty billion, six hundred fifty-six million, three hundred seventy-seven thousand, two hundred eighty-seven".