49876565 has 8 divisors (see below), whose sum is σ = 59962680. Its totient is φ = 39827392.

The previous prime is 49876559. The next prime is 49876573. The reversal of 49876565 is 56567894.

It can be written as a sum of positive squares in 4 ways, for example, as 117649 + 49758916 = 343^2 + 7054^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 49876565 - 2¹⁰ = 49875541 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6170 + ... + 11739.

It is an arithmetic number, because the mean of its divisors is an integer number (7495335).

Almost surely, 2^49876565 is an apocalyptic number.

It is an amenable number.

49876565 is a deficient number, since it is larger than the sum of its proper divisors (10086115).

49876565 is a wasteful number, since it uses less digits than its factorization.

49876565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18471.

The product of its digits is 1814400, while the sum is 50.

The square root of 49876565 is about 7062.3342458425. The cubic root of 49876565 is about 368.0997410998.

The spelling of 49876565 in words is "forty-nine million, eight hundred seventy-six thousand, five hundred sixty-five".