49985860 has 24 divisors (see below), whose sum is σ = 105116760. Its totient is φ = 19966464.

The previous prime is 49985839. The next prime is 49985861. The reversal of 49985860 is 6858994.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2458624 + 47527236 = 1568^2 + 6894^2 .

It is not an unprimeable number, because it can be changed into a prime (49985861) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18942 + ... + 21418.

It is an arithmetic number, because the mean of its divisors is an integer number (4379865).

Almost surely, 2^49985860 is an apocalyptic number.

It is an amenable number.

49985860 is an abundant number, since it is smaller than the sum of its proper divisors (55130900).

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

49985860 is a wasteful number, since it uses less digits than its factorization.

49985860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3495 (or 3493 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 49.

The square root of 49985860 is about 7070.0678921776. The cubic root of 49985860 is about 368.3684184529.

The spelling of 49985860 in words is "forty-nine million, nine hundred eighty-five thousand, eight hundred sixty".