49983980 has 24 divisors (see below), whose sum is σ = 105951888. Its totient is φ = 19805888.

The previous prime is 49983971. The next prime is 49984007. The reversal of 49983980 is 8938994.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9539 + ... + 13818.

It is an arithmetic number, because the mean of its divisors is an integer number (4414662).

Almost surely, 2^49983980 is an apocalyptic number.

It is an amenable number.

49983980 is an abundant number, since it is smaller than the sum of its proper divisors (55967908).

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

49983980 is a wasteful number, since it uses less digits than its factorization.

49983980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23473 (or 23471 counting only the distinct ones).

The product of its (nonzero) digits is 559872, while the sum is 50.

The square root of 49983980 is about 7069.9349360514. The cubic root of 49983980 is about 368.3638002048.

The spelling of 49983980 in words is "forty-nine million, nine hundred eighty-three thousand, nine hundred eighty".