49163765 has 32 divisors (see below), whose sum is σ = 70986240. Its totient is φ = 31958784.

The previous prime is 49163747. The next prime is 49163767. The reversal of 49163765 is 56736194.

49163765 = 596² + 597² + ... + 710².

It is a cyclic number.

It is not a de Polignac number, because 49163765 - 2¹⁰ = 49162741 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49163767) 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 31 ways as a sum of consecutive naturals, for example, 126191 + ... + 126579.

It is an arithmetic number, because the mean of its divisors is an integer number (2218320).

Almost surely, 2^49163765 is an apocalyptic number.

It is an amenable number.

49163765 is a deficient number, since it is larger than the sum of its proper divisors (21822475).

49163765 is a wasteful number, since it uses less digits than its factorization.

49163765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 581.

The product of its digits is 136080, while the sum is 41.

The square root of 49163765 is about 7011.6877426195. The cubic root of 49163765 is about 366.3377817678.

The spelling of 49163765 in words is "forty-nine million, one hundred sixty-three thousand, seven hundred sixty-five".