48508565257 has 2 divisors, whose sum is σ = 48508565258. Its totient is φ = 48508565256.

The previous prime is 48508565243. The next prime is 48508565383. The reversal of 48508565257 is 75256580584.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 37386542736 + 11122022521 = 193356^2 + 105461^2 .

It is a cyclic number.

It is not a de Polignac number, because 48508565257 - 2¹¹ = 48508563209 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 48508565198 and 48508565207.

It is not a weakly prime, because it can be changed into another prime (48508565207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24254282628 + 24254282629.

It is an arithmetic number, because the mean of its divisors is an integer number (24254282629).

Almost surely, 2^48508565257 is an apocalyptic number.

It is an amenable number.

48508565257 is a deficient number, since it is larger than the sum of its proper divisors (1).

48508565257 is an equidigital number, since it uses as much as digits as its factorization.

48508565257 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13440000, while the sum is 55.

The spelling of 48508565257 in words is "forty-eight billion, five hundred eight million, five hundred sixty-five thousand, two hundred fifty-seven".