50423729 has 2 divisors, whose sum is σ = 50423730. Its totient is φ = 50423728.

The previous prime is 50423713. The next prime is 50423741. The reversal of 50423729 is 92732405.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 36881329 + 13542400 = 6073^2 + 3680^2 .

It is a cyclic number.

It is not a de Polignac number, because 50423729 - 2⁴ = 50423713 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 50423695 and 50423704.

It is not a weakly prime, because it can be changed into another prime (50423029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25211864 + 25211865.

It is an arithmetic number, because the mean of its divisors is an integer number (25211865).

Almost surely, 2^50423729 is an apocalyptic number.

It is an amenable number.

50423729 is a deficient number, since it is larger than the sum of its proper divisors (1).

50423729 is an equidigital number, since it uses as much as digits as its factorization.

50423729 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15120, while the sum is 32.

The square root of 50423729 is about 7100.9667651666. The cubic root of 50423729 is about 369.4409111531.

The spelling of 50423729 in words is "fifty million, four hundred twenty-three thousand, seven hundred twenty-nine".