50545400537 has 2 divisors, whose sum is σ = 50545400538. Its totient is φ = 50545400536.

The previous prime is 50545400519. The next prime is 50545400557. The reversal of 50545400537 is 73500454505.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 41348782336 + 9196618201 = 203344^2 + 95899^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50545400537 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 50545400537.

It is not a weakly prime, because it can be changed into another prime (50545400557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25272700268 + 25272700269.

It is an arithmetic number, because the mean of its divisors is an integer number (25272700269).

Almost surely, 2^50545400537 is an apocalyptic number.

It is an amenable number.

50545400537 is a deficient number, since it is larger than the sum of its proper divisors (1).

50545400537 is an equidigital number, since it uses as much as digits as its factorization.

50545400537 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 210000, while the sum is 38.

The spelling of 50545400537 in words is "fifty billion, five hundred forty-five million, four hundred thousand, five hundred thirty-seven".