50721743 has 2 divisors, whose sum is σ = 50721744. Its totient is φ = 50721742.

The previous prime is 50721721. The next prime is 50721757. The reversal of 50721743 is 34712705.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 50721743 - 2⁶ = 50721679 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50721443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25360871 + 25360872.

It is an arithmetic number, because the mean of its divisors is an integer number (25360872).

Almost surely, 2^50721743 is an apocalyptic number.

50721743 is a deficient number, since it is larger than the sum of its proper divisors (1).

50721743 is an equidigital number, since it uses as much as digits as its factorization.

50721743 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5880, while the sum is 29.

The square root of 50721743 is about 7121.9198956461. The cubic root of 50721743 is about 370.1673044207.

The spelling of 50721743 in words is "fifty million, seven hundred twenty-one thousand, seven hundred forty-three".