49257907 has 2 divisors, whose sum is σ = 49257908. Its totient is φ = 49257906.

The previous prime is 49257889. The next prime is 49257947. The reversal of 49257907 is 70975294.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 49257907 - 2⁷ = 49257779 is a prime.

It is not a weakly prime, because it can be changed into another prime (49257947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24628953 + 24628954.

It is an arithmetic number, because the mean of its divisors is an integer number (24628954).

Almost surely, 2^49257907 is an apocalyptic number.

49257907 is a deficient number, since it is larger than the sum of its proper divisors (1).

49257907 is an equidigital number, since it uses as much as digits as its factorization.

49257907 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 158760, while the sum is 43.

The square root of 49257907 is about 7018.3977516239. The cubic root of 49257907 is about 366.5714618755.

The spelling of 49257907 in words is "forty-nine million, two hundred fifty-seven thousand, nine hundred seven".