49188765 has 8 divisors (see below), whose sum is σ = 78702048. Its totient is φ = 26234000.

The previous prime is 49188749. The next prime is 49188767. The reversal of 49188765 is 56788194.

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

It is not a de Polignac number, because 49188765 - 2⁴ = 49188749 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49188767) 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 7 ways as a sum of consecutive naturals, for example, 1639611 + ... + 1639640.

It is an arithmetic number, because the mean of its divisors is an integer number (9837756).

Almost surely, 2^49188765 is an apocalyptic number.

It is an amenable number.

49188765 is a deficient number, since it is larger than the sum of its proper divisors (29513283).

49188765 is a wasteful number, since it uses less digits than its factorization.

49188765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3279259.

The product of its digits is 483840, while the sum is 48.

The square root of 49188765 is about 7013.4702537332. The cubic root of 49188765 is about 366.3998660597.

The spelling of 49188765 in words is "forty-nine million, one hundred eighty-eight thousand, seven hundred sixty-five".