49818130 has 16 divisors (see below), whose sum is σ = 90512640. Its totient is φ = 19740592.

The previous prime is 49818107. The next prime is 49818137. The reversal of 49818130 is 3181894.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (49818137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22210 + ... + 24349.

It is an arithmetic number, because the mean of its divisors is an integer number (5657040).

Almost surely, 2^49818130 is an apocalyptic number.

49818130 is a deficient number, since it is larger than the sum of its proper divisors (40694510).

49818130 is a wasteful number, since it uses less digits than its factorization.

49818130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46673.

The product of its (nonzero) digits is 6912, while the sum is 34.

The square root of 49818130 is about 7058.1959451407. The cubic root of 49818130 is about 367.9559306474.

The spelling of 49818130 in words is "forty-nine million, eight hundred eighteen thousand, one hundred thirty".