52406372 has 6 divisors (see below), whose sum is σ = 91711158. Its totient is φ = 26203184.

The previous prime is 52406357. The next prime is 52406377. The reversal of 52406372 is 27360425.

52406372 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 only one way, i.e., 32993536 + 19412836 = 5744^2 + 4406^2 .

It is not an unprimeable number, because it can be changed into a prime (52406377) 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 as a sum of consecutive naturals, namely, 6550793 + ... + 6550800.

It is an arithmetic number, because the mean of its divisors is an integer number (15285193).

Almost surely, 2^52406372 is an apocalyptic number.

It is an amenable number.

52406372 is a deficient number, since it is larger than the sum of its proper divisors (39304786).

52406372 is a wasteful number, since it uses less digits than its factorization.

52406372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13101597 (or 13101595 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 29.

The square root of 52406372 is about 7239.2245441069. The cubic root of 52406372 is about 374.2208938447.

Adding to 52406372 its reverse (27360425), we get a palindrome (79766797).

The spelling of 52406372 in words is "fifty-two million, four hundred six thousand, three hundred seventy-two".