50997144 has 96 divisors (see below), whose sum is σ = 148523760. Its totient is φ = 14530560.

The previous prime is 50997131. The next prime is 50997151. The reversal of 50997144 is 44179905.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 48852 + ... + 49884.

Almost surely, 2^50997144 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 50997144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74261880).

50997144 is an abundant number, since it is smaller than the sum of its proper divisors (97526616).

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

50997144 is a wasteful number, since it uses less digits than its factorization.

50997144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1081 (or 1066 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 39.

The square root of 50997144 is about 7141.2284657473. The cubic root of 50997144 is about 370.8360543952.

It can be divided in two parts, 509971 and 44, that added together give a palindrome (510015).

The spelling of 50997144 in words is "fifty million, nine hundred ninety-seven thousand, one hundred forty-four".