50397818 has 8 divisors (see below), whose sum is σ = 77205312. Its totient is φ = 24662716.

The previous prime is 50397817. The next prime is 50397829. The reversal of 50397818 is 81879305.

It is a happy number.

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

It is a super-2 number, since 2×50397818² = 5079880118322248, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (50397817) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 267980 + ... + 268167.

It is an arithmetic number, because the mean of its divisors is an integer number (9650664).

Almost surely, 2^50397818 is an apocalyptic number.

50397818 is a deficient number, since it is larger than the sum of its proper divisors (26807494).

50397818 is a wasteful number, since it uses less digits than its factorization.

50397818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 536196.

The product of its (nonzero) digits is 60480, while the sum is 41.

The square root of 50397818 is about 7099.1420608409. The cubic root of 50397818 is about 369.3776193672.

It can be divided in two parts, 50397 and 818, that added together give a palindrome (51215).

The spelling of 50397818 in words is "fifty million, three hundred ninety-seven thousand, eight hundred eighteen".