50997760 has 80 divisors (see below), whose sum is σ = 133464672. Its totient is φ = 18534400.

The previous prime is 50997757. The next prime is 50997797. The reversal of 50997760 is 6779905.

It is a tau number, because it is divible by the number of its divisors (80).

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 7 ways as a sum of consecutive naturals, for example, 27255 + ... + 29065.

Almost surely, 2^50997760 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 50997760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66732336).

50997760 is an abundant number, since it is smaller than the sum of its proper divisors (82466912).

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

50997760 is a wasteful number, since it uses less digits than its factorization.

50997760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1845 (or 1829 counting only the distinct ones).

The product of its (nonzero) digits is 119070, while the sum is 43.

The square root of 50997760 is about 7141.2715954513. The cubic root of 50997760 is about 370.8375475120.

The spelling of 50997760 in words is "fifty million, nine hundred ninety-seven thousand, seven hundred sixty".