49716865 has 16 divisors (see below), whose sum is σ = 65761920. Its totient is φ = 35781120.

The previous prime is 49716829. The next prime is 49716871. The reversal of 49716865 is 56861794.

It is a de Polignac number, because none of the positive numbers 2^k-49716865 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 676 + ... + 9994.

It is an arithmetic number, because the mean of its divisors is an integer number (4110120).

Almost surely, 2^49716865 is an apocalyptic number.

It is an amenable number.

49716865 is a deficient number, since it is larger than the sum of its proper divisors (16045055).

49716865 is a wasteful number, since it uses less digits than its factorization.

49716865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9432.

The product of its digits is 362880, while the sum is 46.

The square root of 49716865 is about 7051.0187207240. The cubic root of 49716865 is about 367.7064476270.

Subtracting 49716865 from its reverse (56861794), we obtain a square (7144929 = 2673²).

The spelling of 49716865 in words is "forty-nine million, seven hundred sixteen thousand, eight hundred sixty-five".