50307389477 has 4 divisors (see below), whose sum is σ = 50331706380. Its totient is φ = 50283072576.

The previous prime is 50307389449. The next prime is 50307389491. The reversal of 50307389477 is 77498370305.

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

It can be written as a sum of positive squares in 2 ways, for example, as 5023123876 + 45284265601 = 70874^2 + 212801^2 .

It is a cyclic number.

It is not a de Polignac number, because 50307389477 - 2⁸ = 50307389221 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 (50307379477) 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, 12155348 + ... + 12159485.

It is an arithmetic number, because the mean of its divisors is an integer number (12582926595).

Almost surely, 2^50307389477 is an apocalyptic number.

It is an amenable number.

50307389477 is a deficient number, since it is larger than the sum of its proper divisors (24316903).

50307389477 is a wasteful number, since it uses less digits than its factorization.

50307389477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24316902.

The product of its (nonzero) digits is 4445280, while the sum is 53.

The spelling of 50307389477 in words is "fifty billion, three hundred seven million, three hundred eighty-nine thousand, four hundred seventy-seven".