52400252 has 24 divisors (see below), whose sum is σ = 98355600. Its totient is φ = 24350976.

The previous prime is 52400219. The next prime is 52400267. The reversal of 52400252 is 25200425.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2477 + ... + 10532.

It is an arithmetic number, because the mean of its divisors is an integer number (4098150).

Almost surely, 2^52400252 is an apocalyptic number.

It is an amenable number.

52400252 is a deficient number, since it is larger than the sum of its proper divisors (45955348).

52400252 is a wasteful number, since it uses less digits than its factorization.

52400252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13085 (or 13083 counting only the distinct ones).

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

The square root of 52400252 is about 7238.8018345580. The cubic root of 52400252 is about 374.2063261440.

Adding to 52400252 its reverse (25200425), we get a palindrome (77600677).

The spelling of 52400252 in words is "fifty-two million, four hundred thousand, two hundred fifty-two".