49870144 has 14 divisors (see below), whose sum is σ = 98961194. Its totient is φ = 24935040.

The previous prime is 49870133. The next prime is 49870147. The reversal of 49870144 is 44107894.

49870144 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 43560000 + 6310144 = 6600^2 + 2512^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49870147) 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 as a sum of consecutive naturals, namely, 389547 + ... + 389674.

Almost surely, 2^49870144 is an apocalyptic number.

It is an amenable number.

49870144 is a deficient number, since it is larger than the sum of its proper divisors (49091050).

49870144 is an equidigital number, since it uses as much as digits as its factorization.

49870144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 779233 (or 779223 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 37.

The square root of 49870144 is about 7061.8796364707. The cubic root of 49870144 is about 368.0839443031.

The spelling of 49870144 in words is "forty-nine million, eight hundred seventy thousand, one hundred forty-four".