49857023 has 2 divisors, whose sum is σ = 49857024. Its totient is φ = 49857022.

The previous prime is 49857013. The next prime is 49857037. The reversal of 49857023 is 32075894.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 49857023 - 2¹⁰ = 49855999 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49857013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24928511 + 24928512.

It is an arithmetic number, because the mean of its divisors is an integer number (24928512).

Almost surely, 2^49857023 is an apocalyptic number.

49857023 is a deficient number, since it is larger than the sum of its proper divisors (1).

49857023 is an equidigital number, since it uses as much as digits as its factorization.

49857023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 60480, while the sum is 38.

The square root of 49857023 is about 7060.9505734002. The cubic root of 49857023 is about 368.0516601034.

The spelling of 49857023 in words is "forty-nine million, eight hundred fifty-seven thousand, twenty-three".