50556839 has 2 divisors, whose sum is σ = 50556840. Its totient is φ = 50556838.

The previous prime is 50556823. The next prime is 50556871. The reversal of 50556839 is 93865505.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 50556839 - 2⁴ = 50556823 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 50556796 and 50556805.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50556439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25278419 + 25278420.

It is an arithmetic number, because the mean of its divisors is an integer number (25278420).

Almost surely, 2^50556839 is an apocalyptic number.

50556839 is a deficient number, since it is larger than the sum of its proper divisors (1).

50556839 is an equidigital number, since it uses as much as digits as its factorization.

50556839 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 162000, while the sum is 41.

The square root of 50556839 is about 7110.3332551998. Note that the first 3 decimals coincide. The cubic root of 50556839 is about 369.7657124037.

The spelling of 50556839 in words is "fifty million, five hundred fifty-six thousand, eight hundred thirty-nine".