49661910 has 96 divisors (see below), whose sum is σ = 135862272. Its totient is φ = 13050720.

The previous prime is 49661863. The next prime is 49661917. The reversal of 49661910 is 1916694.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49661917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 259915 + ... + 260105.

It is an arithmetic number, because the mean of its divisors is an integer number (1415232).

Almost surely, 2^49661910 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49661910, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67931136).

49661910 is an abundant number, since it is smaller than the sum of its proper divisors (86200362).

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

49661910 is a wasteful number, since it uses less digits than its factorization.

49661910 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 320 (or 308 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 36.

The square root of 49661910 is about 7047.1206886217. The cubic root of 49661910 is about 367.5709150946.

The spelling of 49661910 in words is "forty-nine million, six hundred sixty-one thousand, nine hundred ten".