50740729945 has 8 divisors (see below), whose sum is σ = 61887054600. Its totient is φ = 39927131520.

The previous prime is 50740729937. The next prime is 50740729951. The reversal of 50740729945 is 54992704705.

It can be written as a sum of positive squares in 4 ways, for example, as 233111824 + 50507618121 = 15268^2 + 224739^2 .

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

It is not a de Polignac number, because 50740729945 - 2³ = 50740729937 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 50740729892 and 50740729901.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83181220 + ... + 83181829.

It is an arithmetic number, because the mean of its divisors is an integer number (7735881825).

Almost surely, 2^50740729945 is an apocalyptic number.

It is an amenable number.

50740729945 is a deficient number, since it is larger than the sum of its proper divisors (11146324655).

50740729945 is a wasteful number, since it uses less digits than its factorization.

50740729945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166363115.

The product of its (nonzero) digits is 3175200, while the sum is 52.

The spelling of 50740729945 in words is "fifty billion, seven hundred forty million, seven hundred twenty-nine thousand, nine hundred forty-five".