49665715 has 16 divisors (see below), whose sum is σ = 68440320. Its totient is φ = 34218720.

The previous prime is 49665713. The next prime is 49665757. The reversal of 49665715 is 51756694.

It is not a de Polignac number, because 49665715 - 2¹ = 49665713 is a prime.

It is a super-2 number, since 2×49665715² = 4933366492922450, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (49665713) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22719 + ... + 24808.

It is an arithmetic number, because the mean of its divisors is an integer number (4277520).

Almost surely, 2^49665715 is an apocalyptic number.

49665715 is a deficient number, since it is larger than the sum of its proper divisors (18774605).

49665715 is a wasteful number, since it uses less digits than its factorization.

49665715 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47562.

The product of its digits is 226800, while the sum is 43.

The square root of 49665715 is about 7047.3906518654. The cubic root of 49665715 is about 367.5803023803.

The spelling of 49665715 in words is "forty-nine million, six hundred sixty-five thousand, seven hundred fifteen".