50997312 has 168 divisors, whose sum is σ = 156911040. Its totient is φ = 15805440.

The previous prime is 50997277. The next prime is 50997329. The reversal of 50997312 is 21379905.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 718237 + ... + 718307.

Almost surely, 2^50997312 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 50997312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78455520).

50997312 is an abundant number, since it is smaller than the sum of its proper divisors (105913728).

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

50997312 is a wasteful number, since it uses less digits than its factorization.

50997312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161 (or 148 counting only the distinct ones).

The product of its (nonzero) digits is 17010, while the sum is 36.

The square root of 50997312 is about 7141.2402284197. The cubic root of 50997312 is about 370.8364616100.

The spelling of 50997312 in words is "fifty million, nine hundred ninety-seven thousand, three hundred twelve".