49707997 has 2 divisors, whose sum is σ = 49707998. Its totient is φ = 49707996.

The previous prime is 49707989. The next prime is 49708007. The reversal of 49707997 is 79970794.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 34916281 + 14791716 = 5909^2 + 3846^2 .

It is a cyclic number.

It is not a de Polignac number, because 49707997 - 2³ = 49707989 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49707907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24853998 + 24853999.

It is an arithmetic number, because the mean of its divisors is an integer number (24853999).

Almost surely, 2^49707997 is an apocalyptic number.

It is an amenable number.

49707997 is a deficient number, since it is larger than the sum of its proper divisors (1).

49707997 is an equidigital number, since it uses as much as digits as its factorization.

49707997 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1000188, while the sum is 52.

The square root of 49707997 is about 7050.3898473772. The cubic root of 49707997 is about 367.6845837204.

The spelling of 49707997 in words is "forty-nine million, seven hundred seven thousand, nine hundred ninety-seven".