49696121 has 2 divisors, whose sum is σ = 49696122. Its totient is φ = 49696120.

The previous prime is 49696109. The next prime is 49696133. The reversal of 49696121 is 12169694.

It is a balanced prime because it is at equal distance from previous prime (49696109) and next prime (49696133).

It can be written as a sum of positive squares in only one way, i.e., 36772096 + 12924025 = 6064^2 + 3595^2 .

It is a cyclic number.

It is not a de Polignac number, because 49696121 - 2⁶ = 49696057 is a prime.

It is a Sophie Germain prime.

It is an alternating number because its digits alternate between even and odd.

It is a Curzon number.

It is equal to p_2983970 and since 49696121 and 2983970 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (49696181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24848060 + 24848061.

It is an arithmetic number, because the mean of its divisors is an integer number (24848061).

Almost surely, 2^49696121 is an apocalyptic number.

It is an amenable number.

49696121 is a deficient number, since it is larger than the sum of its proper divisors (1).

49696121 is an equidigital number, since it uses as much as digits as its factorization.

49696121 is an evil number, because the sum of its binary digits is even.

The product of its digits is 23328, while the sum is 38.

The square root of 49696121 is about 7049.5475741355. The cubic root of 49696121 is about 367.6552995664.

The spelling of 49696121 in words is "forty-nine million, six hundred ninety-six thousand, one hundred twenty-one".