52422500 has 60 divisors (see below), whose sum is σ = 123532332. Its totient is φ = 19344000.

The previous prime is 52422481. The next prime is 52422523. The reversal of 52422500 is 522425.

It can be written as a sum of positive squares in 10 ways, for example, as 45589504 + 6832996 = 6752^2 + 2614^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 31694 + ... + 33306.

Almost surely, 2^52422500 is an apocalyptic number.

52422500 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52422500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61766166).

52422500 is an abundant number, since it is smaller than the sum of its proper divisors (71109832).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

52422500 is a wasteful number, since it uses less digits than its factorization.

52422500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1650 (or 1633 counting only the distinct ones).

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

The square root of 52422500 is about 7240.3383898821. The cubic root of 52422500 is about 374.2592785889.

Adding to 52422500 its reverse (522425), we get a palindrome (52944925).

The spelling of 52422500 in words is "fifty-two million, four hundred twenty-two thousand, five hundred".