52500422 has 32 divisors (see below), whose sum is σ = 89268480. Its totient is φ = 22988160.

The previous prime is 52500397. The next prime is 52500431. The reversal of 52500422 is 22400525.

It is a junction number, because it is equal to n+sod(n) for n = 52500394 and 52500403.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42104 + ... + 43332.

It is an arithmetic number, because the mean of its divisors is an integer number (2789640).

Almost surely, 2^52500422 is an apocalyptic number.

52500422 is a deficient number, since it is larger than the sum of its proper divisors (36768058).

52500422 is a wasteful number, since it uses less digits than its factorization.

52500422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1328.

The product of its (nonzero) digits is 800, while the sum is 20.

The square root of 52500422 is about 7245.7174938028. The cubic root of 52500422 is about 374.4446226294. Note that the first 3 decimals are identical.

Adding to 52500422 its reverse (22400525), we get a palindrome (74900947).

The spelling of 52500422 in words is "fifty-two million, five hundred thousand, four hundred twenty-two".