50651272 has 64 divisors (see below), whose sum is σ = 113356800. Its totient is φ = 20761920.

The previous prime is 50651257. The next prime is 50651273. The reversal of 50651272 is 27215605.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a self number, because there is not a number n which added to its sum of digits gives 50651272.

It is not an unprimeable number, because it can be changed into a prime (50651273) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 282879 + ... + 283057.

It is an arithmetic number, because the mean of its divisors is an integer number (1771200).

Almost surely, 2^50651272 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 50651272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56678400).

50651272 is an abundant number, since it is smaller than the sum of its proper divisors (62705528).

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

50651272 is a wasteful number, since it uses less digits than its factorization.

50651272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 386 (or 382 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 28.

The square root of 50651272 is about 7116.9707038880. The cubic root of 50651272 is about 369.9957925015.

Adding to 50651272 its reverse (27215605), we get a palindrome (77866877).

The spelling of 50651272 in words is "fifty million, six hundred fifty-one thousand, two hundred seventy-two".