49517669 has 4 divisors (see below), whose sum is σ = 49538880. Its totient is φ = 49496460.

The previous prime is 49517659. The next prime is 49517711. The reversal of 49517669 is 96671594.

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.

It is a cyclic number.

It is not a de Polignac number, because 49517669 - 2⁴ = 49517653 is a prime.

It is a super-2 number, since 2×49517669² = 4903999086387122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49517659) 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, 6599 + ... + 11940.

It is an arithmetic number, because the mean of its divisors is an integer number (12384720).

Almost surely, 2^49517669 is an apocalyptic number.

It is an amenable number.

49517669 is a deficient number, since it is larger than the sum of its proper divisors (21211).

49517669 is a wasteful number, since it uses less digits than its factorization.

49517669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21210.

The product of its digits is 408240, while the sum is 47.

The square root of 49517669 is about 7036.8792088539. The cubic root of 49517669 is about 367.2147050759.

The spelling of 49517669 in words is "forty-nine million, five hundred seventeen thousand, six hundred sixty-nine".