49157071 has 2 divisors, whose sum is σ = 49157072. Its totient is φ = 49157070.

The previous prime is 49157027. The next prime is 49157093. The reversal of 49157071 is 17075194.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 49157071 - 2¹⁹ = 48632783 is a prime.

It is equal to p_2953393 and since 49157071 and 2953393 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49157021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24578535 + 24578536.

It is an arithmetic number, because the mean of its divisors is an integer number (24578536).

Almost surely, 2^49157071 is an apocalyptic number.

49157071 is a deficient number, since it is larger than the sum of its proper divisors (1).

49157071 is an equidigital number, since it uses as much as digits as its factorization.

49157071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8820, while the sum is 34.

The square root of 49157071 is about 7011.2103805263. The cubic root of 49157071 is about 366.3211545058.

The spelling of 49157071 in words is "forty-nine million, one hundred fifty-seven thousand, seventy-one".