49720980 has 48 divisors (see below), whose sum is σ = 139688640. Its totient is φ = 13214208.

The previous prime is 49720973. The next prime is 49720981. The reversal of 49720980 is 8902794.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49720981) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18991 + ... + 21449.

It is an arithmetic number, because the mean of its divisors is an integer number (2910180).

Almost surely, 2^49720980 is an apocalyptic number.

It is an amenable number.

49720980 is an abundant number, since it is smaller than the sum of its proper divisors (89967660).

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

49720980 is a wasteful number, since it uses less digits than its factorization.

49720980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2808 (or 2806 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 39.

The square root of 49720980 is about 7051.3105164927. The cubic root of 49720980 is about 367.7165922080.

The spelling of 49720980 in words is "forty-nine million, seven hundred twenty thousand, nine hundred eighty".