49538969 has 8 divisors (see below), whose sum is σ = 52540488. Its totient is φ = 46547200.

The previous prime is 49538963. The next prime is 49538971. The reversal of 49538969 is 96983594.

It can be written as a sum of positive squares in 4 ways, for example, as 21576025 + 27962944 = 4645^2 + 5288^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-49538969 is a prime.

It is a super-2 number, since 2×49538969² = 4908218899165922, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 49538969.

It is not an unprimeable number, because it can be changed into a prime (49538963) 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 in 7 ways as a sum of consecutive naturals, for example, 9839 + ... + 13995.

It is an arithmetic number, because the mean of its divisors is an integer number (6567561).

Almost surely, 2^49538969 is an apocalyptic number.

It is an amenable number.

49538969 is a deficient number, since it is larger than the sum of its proper divisors (3001519).

49538969 is a wasteful number, since it uses less digits than its factorization.

49538969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4875.

The product of its digits is 2099520, while the sum is 53.

The square root of 49538969 is about 7038.3925011326. The cubic root of 49538969 is about 367.2673499341.

The spelling of 49538969 in words is "forty-nine million, five hundred thirty-eight thousand, nine hundred sixty-nine".