49269569 has 4 divisors (see below), whose sum is σ = 49322544. Its totient is φ = 49216596.

The previous prime is 49269559. The next prime is 49269581. The reversal of 49269569 is 96596294.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 96596294 = 2 ⋅48298147.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-49269569 is a prime.

It is a super-2 number, since 2×49269569² = 4854980858891522, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (49269559) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25067 + ... + 26960.

It is an arithmetic number, because the mean of its divisors is an integer number (12330636).

Almost surely, 2^49269569 is an apocalyptic number.

It is an amenable number.

49269569 is a deficient number, since it is larger than the sum of its proper divisors (52975).

49269569 is an equidigital number, since it uses as much as digits as its factorization.

49269569 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52974.

The product of its digits is 1049760, while the sum is 50.

The square root of 49269569 is about 7019.2285188616. The cubic root of 49269569 is about 366.6003886632.

The spelling of 49269569 in words is "forty-nine million, two hundred sixty-nine thousand, five hundred sixty-nine".