49121700 has 72 divisors (see below), whose sum is σ = 144136608. Its totient is φ = 12913920.

The previous prime is 49121693. The next prime is 49121713. The reversal of 49121700 is 712194.

49121700 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

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, 20779 + ... + 23021.

Almost surely, 2^49121700 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 49121700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72068304).

49121700 is an abundant number, since it is smaller than the sum of its proper divisors (95014908).

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

49121700 is a wasteful number, since it uses less digits than its factorization.

49121700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2333 (or 2326 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 24.

The square root of 49121700 is about 7008.6874662807. The cubic root of 49121700 is about 366.2332712212.

Adding to 49121700 its reverse (712194), we get a palindrome (49833894).

The spelling of 49121700 in words is "forty-nine million, one hundred twenty-one thousand, seven hundred".