50518801 has 4 divisors (see below), whose sum is σ = 51884212. Its totient is φ = 49153392.

The previous prime is 50518763. The next prime is 50518807. The reversal of 50518801 is 10881505.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10881505 = 5 ⋅2176301.

It can be written as a sum of positive squares in 2 ways, for example, as 46908801 + 3610000 = 6849^2 + 1900^2 .

It is a cyclic number.

It is not a de Polignac number, because 50518801 - 2⁷ = 50518673 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 50518801.

It is not an unprimeable number, because it can be changed into a prime (50518807) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 682650 + ... + 682723.

It is an arithmetic number, because the mean of its divisors is an integer number (12971053).

Almost surely, 2^50518801 is an apocalyptic number.

It is an amenable number.

50518801 is a deficient number, since it is larger than the sum of its proper divisors (1365411).

50518801 is a wasteful number, since it uses less digits than its factorization.

50518801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1365410.

The product of its (nonzero) digits is 1600, while the sum is 28.

The square root of 50518801 is about 7107.6579124209. The cubic root of 50518801 is about 369.6729542502.

It can be divided in two parts, 505 and 18801, that added together give a triangular number (19306 = T₁₉₆).

The spelling of 50518801 in words is "fifty million, five hundred eighteen thousand, eight hundred one".