50545225501 has 2 divisors, whose sum is σ = 50545225502. Its totient is φ = 50545225500.

The previous prime is 50545225441. The next prime is 50545225529. The reversal of 50545225501 is 10552254505.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 39509512900 + 11035712601 = 198770^2 + 105051^2 .

It is a cyclic number.

It is not a de Polignac number, because 50545225501 - 2³¹ = 48397741853 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50545225541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25272612750 + 25272612751.

It is an arithmetic number, because the mean of its divisors is an integer number (25272612751).

Almost surely, 2^50545225501 is an apocalyptic number.

It is an amenable number.

50545225501 is a deficient number, since it is larger than the sum of its proper divisors (1).

50545225501 is an equidigital number, since it uses as much as digits as its factorization.

50545225501 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 50000, while the sum is 34.

The spelling of 50545225501 in words is "fifty billion, five hundred forty-five million, two hundred twenty-five thousand, five hundred one".