50550277501 has 2 divisors, whose sum is σ = 50550277502. Its totient is φ = 50550277500.

The previous prime is 50550277483. The next prime is 50550277543. The reversal of 50550277501 is 10577205505.

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., 45390728601 + 5159548900 = 213051^2 + 71830^2 .

It is a cyclic number.

It is not a de Polignac number, because 50550277501 - 2¹¹ = 50550275453 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50550277571) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25275138750 + 25275138751.

It is an arithmetic number, because the mean of its divisors is an integer number (25275138751).

Almost surely, 2^50550277501 is an apocalyptic number.

It is an amenable number.

50550277501 is a deficient number, since it is larger than the sum of its proper divisors (1).

50550277501 is an equidigital number, since it uses as much as digits as its factorization.

50550277501 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 61250, while the sum is 37.

The spelling of 50550277501 in words is "fifty billion, five hundred fifty million, two hundred seventy-seven thousand, five hundred one".