49129761 has 16 divisors (see below), whose sum is σ = 67806720. Its totient is φ = 31608960.

The previous prime is 49129757. The next prime is 49129783. The reversal of 49129761 is 16792194.

49129761 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 49129761 - 2² = 49129757 is a prime.

It is not an unprimeable number, because it can be changed into a prime (49129261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60325 + ... + 61133.

It is an arithmetic number, because the mean of its divisors is an integer number (4237920).

Almost surely, 2^49129761 is an apocalyptic number.

It is an amenable number.

49129761 is a deficient number, since it is larger than the sum of its proper divisors (18676959).

49129761 is a wasteful number, since it uses less digits than its factorization.

49129761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1496.

The product of its digits is 27216, while the sum is 39.

The square root of 49129761 is about 7009.2625147015. The cubic root of 49129761 is about 366.2533034061.

The spelling of 49129761 in words is "forty-nine million, one hundred twenty-nine thousand, seven hundred sixty-one".