50445125501 has 2 divisors, whose sum is σ = 50445125502. Its totient is φ = 50445125500.

The previous prime is 50445125477. The next prime is 50445125623. The reversal of 50445125501 is 10552154405.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 38298881401 + 12146244100 = 195701^2 + 110210^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50445125501 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50445125701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25222562750 + 25222562751.

It is an arithmetic number, because the mean of its divisors is an integer number (25222562751).

Almost surely, 2^50445125501 is an apocalyptic number.

It is an amenable number.

50445125501 is a deficient number, since it is larger than the sum of its proper divisors (1).

50445125501 is an equidigital number, since it uses as much as digits as its factorization.

50445125501 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20000, while the sum is 32.

Adding to 50445125501 its reverse (10552154405), we get a palindrome (60997279906).

The spelling of 50445125501 in words is "fifty billion, four hundred forty-five million, one hundred twenty-five thousand, five hundred one".