49663529 has 2 divisors, whose sum is σ = 49663530. Its totient is φ = 49663528.

The previous prime is 49663517. The next prime is 49663531. The reversal of 49663529 is 92536694.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40195600 + 9467929 = 6340^2 + 3077^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-49663529 is a prime.

It is a super-2 number, since 2×49663529² = 4932932225467682, which contains 22 as substring.

Together with 49663531, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 49663529.

It is not a weakly prime, because it can be changed into another prime (49663129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24831764 + 24831765.

It is an arithmetic number, because the mean of its divisors is an integer number (24831765).

Almost surely, 2^49663529 is an apocalyptic number.

It is an amenable number.

49663529 is a deficient number, since it is larger than the sum of its proper divisors (1).

49663529 is an equidigital number, since it uses as much as digits as its factorization.

49663529 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 349920, while the sum is 44.

The square root of 49663529 is about 7047.2355572948. The cubic root of 49663529 is about 367.5749093754.

The spelling of 49663529 in words is "forty-nine million, six hundred sixty-three thousand, five hundred twenty-nine".