49215165 has 8 divisors (see below), whose sum is σ = 78744288. Its totient is φ = 26248080.

The previous prime is 49215137. The next prime is 49215169. The reversal of 49215165 is 56151294.

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

It is not a de Polignac number, because 49215165 - 2⁷ = 49215037 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49215169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1640491 + ... + 1640520.

It is an arithmetic number, because the mean of its divisors is an integer number (9843036).

Almost surely, 2^49215165 is an apocalyptic number.

It is an amenable number.

49215165 is a deficient number, since it is larger than the sum of its proper divisors (29529123).

49215165 is a wasteful number, since it uses less digits than its factorization.

49215165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3281019.

The product of its digits is 10800, while the sum is 33.

The square root of 49215165 is about 7015.3520938011. The cubic root of 49215165 is about 366.4654042401.

The spelling of 49215165 in words is "forty-nine million, two hundred fifteen thousand, one hundred sixty-five".