49639361 has 2 divisors, whose sum is σ = 49639362. Its totient is φ = 49639360.

The previous prime is 49639351. The next prime is 49639393. The reversal of 49639361 is 16393694.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 45144961 + 4494400 = 6719^2 + 2120^2 .

It is a cyclic number.

It is not a de Polignac number, because 49639361 - 2¹⁴ = 49622977 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (49639321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24819680 + 24819681.

It is an arithmetic number, because the mean of its divisors is an integer number (24819681).

Almost surely, 2^49639361 is an apocalyptic number.

It is an amenable number.

49639361 is a deficient number, since it is larger than the sum of its proper divisors (1).

49639361 is an equidigital number, since it uses as much as digits as its factorization.

49639361 is an evil number, because the sum of its binary digits is even.

The product of its digits is 104976, while the sum is 41.

The square root of 49639361 is about 7045.5206337076. The cubic root of 49639361 is about 367.5152747905.

The spelling of 49639361 in words is "forty-nine million, six hundred thirty-nine thousand, three hundred sixty-one".