49447900 has 108 divisors (see below), whose sum is σ = 119914200. Its totient is φ = 17669120.

The previous prime is 49447897. The next prime is 49447913. The reversal of 49447900 is 974494.

It is a self number, because there is not a number n which added to its sum of digits gives 49447900.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 838071 + ... + 838129.

Almost surely, 2^49447900 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 49447900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59957100).

49447900 is an abundant number, since it is smaller than the sum of its proper divisors (70466300).

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

49447900 is a wasteful number, since it uses less digits than its factorization.

49447900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136 (or 112 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 49447900 is about 7031.9200791818. The cubic root of 49447900 is about 367.0421589564.

The spelling of 49447900 in words is "forty-nine million, four hundred forty-seven thousand, nine hundred".