52021850 has 24 divisors (see below), whose sum is σ = 96994908. Its totient is φ = 20758400.

The previous prime is 52021847. The next prime is 52021859. The reversal of 52021850 is 5812025.

52021850 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 2474329 + 49547521 = 1573^2 + 7039^2 .

It is not an unprimeable number, because it can be changed into a prime (52021859) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25052 + ... + 27048.

Almost surely, 2^52021850 is an apocalyptic number.

52021850 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

52021850 is a deficient number, since it is larger than the sum of its proper divisors (44973058).

52021850 is a wasteful number, since it uses less digits than its factorization.

52021850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2530 (or 2525 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 23.

The square root of 52021850 is about 7212.6174167219. The cubic root of 52021850 is about 373.3033874436.

Adding to 52021850 its reverse (5812025), we get a palindrome (57833875).

The spelling of 52021850 in words is "fifty-two million, twenty-one thousand, eight hundred fifty".