50560018 has 4 divisors (see below), whose sum is σ = 75840030. Its totient is φ = 25280008.

The previous prime is 50560001. The next prime is 50560061. The reversal of 50560018 is 81006505.

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., 30283009 + 20277009 = 5503^2 + 4503^2 .

It is a junction number, because it is equal to n+sod(n) for n = 50559974 and 50560001.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12640003 + ... + 12640006.

Almost surely, 2^50560018 is an apocalyptic number.

50560018 is a deficient number, since it is larger than the sum of its proper divisors (25280012).

50560018 is a wasteful number, since it uses less digits than its factorization.

50560018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25280011.

The product of its (nonzero) digits is 1200, while the sum is 25.

The square root of 50560018 is about 7110.5567995762. The cubic root of 50560018 is about 369.7734624964.

The spelling of 50560018 in words is "fifty million, five hundred sixty thousand, eighteen".