49305857 has 2 divisors, whose sum is σ = 49305858. Its totient is φ = 49305856.

The previous prime is 49305833. The next prime is 49305869. The reversal of 49305857 is 75850394.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 49126081 + 179776 = 7009^2 + 424^2 .

It is a cyclic number.

It is not a de Polignac number, because 49305857 - 2⁸ = 49305601 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (49305827) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24652928 + 24652929.

It is an arithmetic number, because the mean of its divisors is an integer number (24652929).

Almost surely, 2^49305857 is an apocalyptic number.

It is an amenable number.

49305857 is a deficient number, since it is larger than the sum of its proper divisors (1).

49305857 is an equidigital number, since it uses as much as digits as its factorization.

49305857 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 151200, while the sum is 41.

The square root of 49305857 is about 7021.8129425384. The cubic root of 49305857 is about 366.6903693585.

The spelling of 49305857 in words is "forty-nine million, three hundred five thousand, eight hundred fifty-seven".