49696665 has 32 divisors (see below), whose sum is σ = 81285120. Its totient is φ = 25922496.

The previous prime is 49696651. The next prime is 49696679. The reversal of 49696665 is 56669694.

49696665 = T₂₆₇ + T₂₆₈ + ... + T₆₈₁.

It is an interprime number because it is at equal distance from previous prime (49696651) and next prime (49696679).

It is not a de Polignac number, because 49696665 - 2⁴ = 49696649 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 222744 + ... + 222966.

It is an arithmetic number, because the mean of its divisors is an integer number (2540160).

Almost surely, 2^49696665 is an apocalyptic number.

It is an amenable number.

49696665 is a deficient number, since it is larger than the sum of its proper divisors (31588455).

49696665 is a wasteful number, since it uses less digits than its factorization.

49696665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 493.

The product of its digits is 2099520, while the sum is 51.

The square root of 49696665 is about 7049.5861580663. The cubic root of 49696665 is about 367.6566410779.

The spelling of 49696665 in words is "forty-nine million, six hundred ninety-six thousand, six hundred sixty-five".