49711980 has 48 divisors (see below), whose sum is σ = 146522880. Its totient is φ = 12558528.

The previous prime is 49711973. The next prime is 49712027. The reversal of 49711980 is 8911794.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20664 + ... + 22943.

It is an arithmetic number, because the mean of its divisors is an integer number (3052560).

Almost surely, 2^49711980 is an apocalyptic number.

It is an amenable number.

49711980 is an abundant number, since it is smaller than the sum of its proper divisors (96810900).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

49711980 is a wasteful number, since it uses less digits than its factorization.

49711980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43638 (or 43636 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 39.

The square root of 49711980 is about 7050.6723083689. The cubic root of 49711980 is about 367.6944040623.

The spelling of 49711980 in words is "forty-nine million, seven hundred eleven thousand, nine hundred eighty".