50993720 has 64 divisors (see below), whose sum is σ = 121716000. Its totient is φ = 19173888.

The previous prime is 50993717. The next prime is 50993741. The reversal of 50993720 is 2739905.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 173894 + ... + 174186.

Almost surely, 2^50993720 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 50993720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60858000).

50993720 is an abundant number, since it is smaller than the sum of its proper divisors (70722280).

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

50993720 is a wasteful number, since it uses less digits than its factorization.

50993720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 552 (or 548 counting only the distinct ones).

The product of its (nonzero) digits is 17010, while the sum is 35.

The square root of 50993720 is about 7140.9887270601. The cubic root of 50993720 is about 370.8277547731.

The spelling of 50993720 in words is "fifty million, nine hundred ninety-three thousand, seven hundred twenty".