49866653 has 2 divisors, whose sum is σ = 49866654. Its totient is φ = 49866652.

The previous prime is 49866643. The next prime is 49866683. The reversal of 49866653 is 35666894.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 47637604 + 2229049 = 6902^2 + 1493^2 .

49866653 is a truncatable prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-49866653 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 49866598 and 49866607.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49866613) 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, 24933326 + 24933327.

It is an arithmetic number, because the mean of its divisors is an integer number (24933327).

Almost surely, 2^49866653 is an apocalyptic number.

It is an amenable number.

49866653 is a deficient number, since it is larger than the sum of its proper divisors (1).

49866653 is an equidigital number, since it uses as much as digits as its factorization.

49866653 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 933120, while the sum is 47.

The square root of 49866653 is about 7061.6324599911. The cubic root of 49866653 is about 368.0753552561.

The spelling of 49866653 in words is "forty-nine million, eight hundred sixty-six thousand, six hundred fifty-three".