50729501 has 2 divisors, whose sum is σ = 50729502. Its totient is φ = 50729500.

The previous prime is 50729489. The next prime is 50729509. The reversal of 50729501 is 10592705.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 50623225 + 106276 = 7115^2 + 326^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50729501 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50729509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25364750 + 25364751.

It is an arithmetic number, because the mean of its divisors is an integer number (25364751).

Almost surely, 2^50729501 is an apocalyptic number.

It is an amenable number.

50729501 is a deficient number, since it is larger than the sum of its proper divisors (1).

50729501 is an equidigital number, since it uses as much as digits as its factorization.

50729501 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3150, while the sum is 29.

The square root of 50729501 is about 7122.4645313262. The cubic root of 50729501 is about 370.1861760878.

The spelling of 50729501 in words is "fifty million, seven hundred twenty-nine thousand, five hundred one".