50218481 has 8 divisors (see below), whose sum is σ = 53104128. Its totient is φ = 47412000.

The previous prime is 50218477. The next prime is 50218537. The reversal of 50218481 is 18481205.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 50218481 - 2² = 50218477 is a prime.

It is a super-2 number, since 2×50218481² = 5043791667894722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50218411) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18485 + ... + 21026.

It is an arithmetic number, because the mean of its divisors is an integer number (6638016).

Almost surely, 2^50218481 is an apocalyptic number.

It is an amenable number.

50218481 is a deficient number, since it is larger than the sum of its proper divisors (2885647).

50218481 is a wasteful number, since it uses less digits than its factorization.

50218481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39583.

The product of its (nonzero) digits is 2560, while the sum is 29.

The square root of 50218481 is about 7086.4999118041. The cubic root of 50218481 is about 368.9389641092.

Adding to 50218481 its reverse (18481205), we get a palindrome (68699686).

The spelling of 50218481 in words is "fifty million, two hundred eighteen thousand, four hundred eighty-one".