49665461 has 2 divisors, whose sum is σ = 49665462. Its totient is φ = 49665460.

The previous prime is 49665439. The next prime is 49665479. The reversal of 49665461 is 16456694.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 47472100 + 2193361 = 6890^2 + 1481^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-49665461 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49665431) 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, 24832730 + 24832731.

It is an arithmetic number, because the mean of its divisors is an integer number (24832731).

Almost surely, 2^49665461 is an apocalyptic number.

It is an amenable number.

49665461 is a deficient number, since it is larger than the sum of its proper divisors (1).

49665461 is an equidigital number, since it uses as much as digits as its factorization.

49665461 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 155520, while the sum is 41.

The square root of 49665461 is about 7047.3726309881. The cubic root of 49665461 is about 367.5796757538.

The spelling of 49665461 in words is "forty-nine million, six hundred sixty-five thousand, four hundred sixty-one".