50742721477 has 8 divisors (see below), whose sum is σ = 57995764992. Its totient is φ = 43490698800.

The previous prime is 50742721459. The next prime is 50742721537. The reversal of 50742721477 is 77412724705.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 50742721477 - 2¹⁹ = 50742197189 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 (50742724477) 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 7 ways as a sum of consecutive naturals, for example, 145549 + ... + 350242.

It is an arithmetic number, because the mean of its divisors is an integer number (7249470624).

Almost surely, 2^50742721477 is an apocalyptic number.

It is an amenable number.

50742721477 is a deficient number, since it is larger than the sum of its proper divisors (7253043515).

50742721477 is a wasteful number, since it uses less digits than its factorization.

50742721477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 510419.

The product of its (nonzero) digits is 768320, while the sum is 46.

The spelling of 50742721477 in words is "fifty billion, seven hundred forty-two million, seven hundred twenty-one thousand, four hundred seventy-seven".