49861320 has 96 divisors (see below), whose sum is σ = 158008320. Its totient is φ = 12585600.

The previous prime is 49861307. The next prime is 49861321. The reversal of 49861320 is 2316894.

49861320 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (49861321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 42745 + ... + 43895.

It is an arithmetic number, because the mean of its divisors is an integer number (1645920).

Almost surely, 2^49861320 is an apocalyptic number.

49861320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49861320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79004160).

49861320 is an abundant number, since it is smaller than the sum of its proper divisors (108147000).

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

49861320 is a wasteful number, since it uses less digits than its factorization.

49861320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1203 (or 1180 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 49861320 is about 7061.2548459888. The cubic root of 49861320 is about 368.0622334888.

The spelling of 49861320 in words is "forty-nine million, eight hundred sixty-one thousand, three hundred twenty".