50618 has 4 divisors (see below), whose sum is σ = 75930. Its totient is φ = 25308.

The previous prime is 50599. The next prime is 50627. The reversal of 50618 is 81605.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 41209 + 9409 = 203^2 + 97^2 .

It is a nialpdrome in base 15.

It is a self number, because there is not a number n which added to its sum of digits gives 50618.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12653 + ... + 12656.

2⁵⁰⁶¹⁸ is an apocalyptic number.

50618 is a deficient number, since it is larger than the sum of its proper divisors (25312).

50618 is a wasteful number, since it uses less digits than its factorization.

50618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25311.

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 50618 is about 224.9844439067. The cubic root of 50618 is about 36.9914760009.

The spelling of 50618 in words is "fifty thousand, six hundred eighteen".