49819860 has 192 divisors, whose sum is σ = 168618240. Its totient is φ = 12317184.

The previous prime is 49819853. The next prime is 49819937. The reversal of 49819860 is 6891894.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 743547 + ... + 743613.

It is an arithmetic number, because the mean of its divisors is an integer number (878220).

Almost surely, 2^49819860 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 49819860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84309120).

49819860 is an abundant number, since it is smaller than the sum of its proper divisors (118798380).

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

49819860 is a wasteful number, since it uses less digits than its factorization.

49819860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114 (or 94 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 45.

The square root of 49819860 is about 7058.3184966393. The cubic root of 49819860 is about 367.9601898491.

It can be divided in two parts, 4981 and 9860, that added together give a palindrome (14841).

The spelling of 49819860 in words is "forty-nine million, eight hundred nineteen thousand, eight hundred sixty".