49617665 has 16 divisors (see below), whose sum is σ = 61171200. Its totient is φ = 38617920.

The previous prime is 49617653. The next prime is 49617671. The reversal of 49617665 is 56671694.

It is a happy number.

It is not a de Polignac number, because 49617665 - 2⁸ = 49617409 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, 46235 + ... + 47295.

It is an arithmetic number, because the mean of its divisors is an integer number (3823200).

Almost surely, 2^49617665 is an apocalyptic number.

It is an amenable number.

49617665 is a deficient number, since it is larger than the sum of its proper divisors (11553535).

49617665 is a wasteful number, since it uses less digits than its factorization.

49617665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1312.

The product of its digits is 272160, while the sum is 44.

The square root of 49617665 is about 7043.9807637443. The cubic root of 49617665 is about 367.4617233802.

The spelling of 49617665 in words is "forty-nine million, six hundred seventeen thousand, six hundred sixty-five".