49239165 has 32 divisors (see below), whose sum is σ = 83445120. Its totient is φ = 24724224.

The previous prime is 49239149. The next prime is 49239181. The reversal of 49239165 is 56193294.

It is an interprime number because it is at equal distance from previous prime (49239149) and next prime (49239181).

It is not a de Polignac number, because 49239165 - 2⁴ = 49239149 is a prime.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 55707 + ... + 56583.

It is an arithmetic number, because the mean of its divisors is an integer number (2607660).

Almost surely, 2^49239165 is an apocalyptic number.

It is an amenable number.

49239165 is a deficient number, since it is larger than the sum of its proper divisors (34205955).

49239165 is a wasteful number, since it uses less digits than its factorization.

49239165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1101.

The product of its digits is 58320, while the sum is 39.

The square root of 49239165 is about 7017.0624195599. The cubic root of 49239165 is about 366.5249640690.

Adding to 49239165 its product of digits (58320), we get a triangular number (49297485 = T₉₉₂₉).

The spelling of 49239165 in words is "forty-nine million, two hundred thirty-nine thousand, one hundred sixty-five".