50439877 has 2 divisors, whose sum is σ = 50439878. Its totient is φ = 50439876.

The previous prime is 50439827. The next prime is 50439899. The reversal of 50439877 is 77893405.

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., 33744481 + 16695396 = 5809^2 + 4086^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50439877 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50439827) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25219938 + 25219939.

It is an arithmetic number, because the mean of its divisors is an integer number (25219939).

Almost surely, 2^50439877 is an apocalyptic number.

It is an amenable number.

50439877 is a deficient number, since it is larger than the sum of its proper divisors (1).

50439877 is an equidigital number, since it uses as much as digits as its factorization.

50439877 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 211680, while the sum is 43.

The square root of 50439877 is about 7102.1037024251. The cubic root of 50439877 is about 369.4803442747.

The spelling of 50439877 in words is "fifty million, four hundred thirty-nine thousand, eight hundred seventy-seven".