49757971 has 2 divisors, whose sum is σ = 49757972. Its totient is φ = 49757970.

The previous prime is 49757959. The next prime is 49758001. The reversal of 49757971 is 17975794.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 49757971 - 2⁷ = 49757843 is a prime.

It is not a weakly prime, because it can be changed into another prime (49757921) 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, 24878985 + 24878986.

It is an arithmetic number, because the mean of its divisors is an integer number (24878986).

Almost surely, 2^49757971 is an apocalyptic number.

49757971 is a deficient number, since it is larger than the sum of its proper divisors (1).

49757971 is an equidigital number, since it uses as much as digits as its factorization.

49757971 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 555660, while the sum is 49.

The square root of 49757971 is about 7053.9330164101. The cubic root of 49757971 is about 367.8077598441.

The spelling of 49757971 in words is "forty-nine million, seven hundred fifty-seven thousand, nine hundred seventy-one".