49997953 has 2 divisors, whose sum is σ = 49997954. Its totient is φ = 49997952.

The previous prime is 49997933. The next prime is 49997977. The reversal of 49997953 is 35979994.

49997953 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 33732864 + 16265089 = 5808^2 + 4033^2 .

It is a cyclic number.

It is not a de Polignac number, because 49997953 - 2¹⁷ = 49866881 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 49997894 and 49997903.

It is not a weakly prime, because it can be changed into another prime (49997903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24998976 + 24998977.

It is an arithmetic number, because the mean of its divisors is an integer number (24998977).

Almost surely, 2^49997953 is an apocalyptic number.

It is an amenable number.

49997953 is a deficient number, since it is larger than the sum of its proper divisors (1).

49997953 is an equidigital number, since it uses as much as digits as its factorization.

49997953 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2755620, while the sum is 55.

The square root of 49997953 is about 7070.9230656259. The cubic root of 49997953 is about 368.3981223204.

The spelling of 49997953 in words is "forty-nine million, nine hundred ninety-seven thousand, nine hundred fifty-three".