52136472 has 32 divisors (see below), whose sum is σ = 130754880. Its totient is φ = 17323680.

The previous prime is 52136443. The next prime is 52136473. The reversal of 52136472 is 27463125.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52136473) 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 7 ways as a sum of consecutive naturals, for example, 4663 + ... + 11225.

It is an arithmetic number, because the mean of its divisors is an integer number (4086090).

Almost surely, 2^52136472 is an apocalyptic number.

It is an amenable number.

52136472 is an abundant number, since it is smaller than the sum of its proper divisors (78618408).

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

52136472 is a wasteful number, since it uses less digits than its factorization.

52136472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6903 (or 6899 counting only the distinct ones).

The product of its digits is 10080, while the sum is 30.

The square root of 52136472 is about 7220.5589811316. The cubic root of 52136472 is about 373.5773581768.

Adding to 52136472 its reverse (27463125), we get a palindrome (79599597).

The spelling of 52136472 in words is "fifty-two million, one hundred thirty-six thousand, four hundred seventy-two".