50443351537 has 2 divisors, whose sum is σ = 50443351538. Its totient is φ = 50443351536.

The previous prime is 50443351501. The next prime is 50443351601. The reversal of 50443351537 is 73515334405.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 47924215056 + 2519136481 = 218916^2 + 50191^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50443351537 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 50443351537.

It is not a weakly prime, because it can be changed into another prime (50443352537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25221675768 + 25221675769.

It is an arithmetic number, because the mean of its divisors is an integer number (25221675769).

Almost surely, 2^50443351537 is an apocalyptic number.

It is an amenable number.

50443351537 is a deficient number, since it is larger than the sum of its proper divisors (1).

50443351537 is an equidigital number, since it uses as much as digits as its factorization.

50443351537 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 378000, while the sum is 40.

The spelling of 50443351537 in words is "fifty billion, four hundred forty-three million, three hundred fifty-one thousand, five hundred thirty-seven".