49660 has 24 divisors (see below), whose sum is σ = 112896. Its totient is φ = 18240.

The previous prime is 49639. The next prime is 49663. The reversal of 49660 is 6694.

It is a super-2 number, since 2×49660² = 4932231200, which contains 22 as substring.

It is a nialpdrome in base 15.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49663) by changing a digit.

49660 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 165 + ... + 355.

It is an arithmetic number, because the mean of its divisors is an integer number (4704).

2⁴⁹⁶⁶⁰ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56448).

49660 is an abundant number, since it is smaller than the sum of its proper divisors (63236).

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

49660 is a wasteful number, since it uses less digits than its factorization.

49660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213 (or 211 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 49660 is about 222.8452377773. The cubic root of 49660 is about 36.7566202768.

The spelling of 49660 in words is "forty-nine thousand, six hundred sixty".