49809700 has 36 divisors (see below), whose sum is σ = 108673600. Its totient is φ = 19815840.

The previous prime is 49809689. The next prime is 49809709. The reversal of 49809700 is 790894.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 49809700.

It is not an unprimeable number, because it can be changed into a prime (49809709) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18649 + ... + 21151.

Almost surely, 2^49809700 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 49809700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54336800).

49809700 is an abundant number, since it is smaller than the sum of its proper divisors (58863900).

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

49809700 is a wasteful number, since it uses less digits than its factorization.

49809700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2716 (or 2709 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 37.

The square root of 49809700 is about 7057.5987417818. The cubic root of 49809700 is about 367.9351748605.

The spelling of 49809700 in words is "forty-nine million, eight hundred nine thousand, seven hundred".