50477623849 has 4 divisors (see below), whose sum is σ = 50699992464. Its totient is φ = 50255255236.

The previous prime is 50477623843. The next prime is 50477623883. The reversal of 50477623849 is 94832677405.

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: 94832677405 = 5 ⋅18966535481.

It is a cyclic number.

It is not a de Polignac number, because 50477623849 - 2²⁷ = 50343406121 is a prime.

It is a super-2 number, since 2×50477623849² (a number of 22 digits) contains 22 as substring.

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 50477623849.

It is not an unprimeable number, because it can be changed into a prime (50477623843) 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, 111183967 + ... + 111184420.

It is an arithmetic number, because the mean of its divisors is an integer number (12674998116).

Almost surely, 2^50477623849 is an apocalyptic number.

It is an amenable number.

50477623849 is a deficient number, since it is larger than the sum of its proper divisors (222368615).

50477623849 is a wasteful number, since it uses less digits than its factorization.

50477623849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222368614.

The product of its (nonzero) digits is 10160640, while the sum is 55.

The spelling of 50477623849 in words is "fifty billion, four hundred seventy-seven million, six hundred twenty-three thousand, eight hundred forty-nine".