50271720 has 128 divisors (see below), whose sum is σ = 168220800. Its totient is φ = 11943936.

The previous prime is 50271679. The next prime is 50271751. The reversal of 50271720 is 2717205.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 38112 + ... + 39408.

It is an arithmetic number, because the mean of its divisors is an integer number (1314225).

Almost surely, 2^50271720 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 50271720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84110400).

50271720 is an abundant number, since it is smaller than the sum of its proper divisors (117949080).

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

50271720 is a wasteful number, since it uses less digits than its factorization.

50271720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1347 (or 1343 counting only the distinct ones).

The product of its (nonzero) digits is 980, while the sum is 24.

The square root of 50271720 is about 7090.2552845437. The cubic root of 50271720 is about 369.0692946442.

Adding to 50271720 its reverse (2717205), we get a palindrome (52988925).

The spelling of 50271720 in words is "fifty million, two hundred seventy-one thousand, seven hundred twenty".