50069857 has 2 divisors, whose sum is σ = 50069858. Its totient is φ = 50069856.

The previous prime is 50069813. The next prime is 50069869. The reversal of 50069857 is 75896005.

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., 50069776 + 81 = 7076^2 + 9^2 .

It is a cyclic number.

It is not a de Polignac number, because 50069857 - 2⁷ = 50069729 is a prime.

It is not a weakly prime, because it can be changed into another prime (50079857) 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, 25034928 + 25034929.

It is an arithmetic number, because the mean of its divisors is an integer number (25034929).

Almost surely, 2^50069857 is an apocalyptic number.

It is an amenable number.

50069857 is a deficient number, since it is larger than the sum of its proper divisors (1).

50069857 is an equidigital number, since it uses as much as digits as its factorization.

50069857 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 75600, while the sum is 40.

The square root of 50069857 is about 7076.0057235703. The cubic root of 50069857 is about 368.5746402824.

The spelling of 50069857 in words is "fifty million, sixty-nine thousand, eight hundred fifty-seven".