50218272 has 192 divisors, whose sum is σ = 167650560. Its totient is φ = 14487552.

The previous prime is 50218243. The next prime is 50218277. The reversal of 50218272 is 27281205.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (50218277) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 190813 + ... + 191075.

It is an arithmetic number, because the mean of its divisors is an integer number (873180).

Almost surely, 2^50218272 is an apocalyptic number.

50218272 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50218272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83825280).

50218272 is an abundant number, since it is smaller than the sum of its proper divisors (117432288).

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

50218272 is a wasteful number, since it uses less digits than its factorization.

50218272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 312 (or 298 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 27.

The square root of 50218272 is about 7086.4851654399. The cubic root of 50218272 is about 368.9384522900.

Adding to 50218272 its reverse (27281205), we get a palindrome (77499477).

The spelling of 50218272 in words is "fifty million, two hundred eighteen thousand, two hundred seventy-two".