52640362 has 8 divisors (see below), whose sum is σ = 79698816. Its totient is φ = 26074092.

The previous prime is 52640327. The next prime is 52640363. The reversal of 52640362 is 26304625.

It is a happy number.

52640362 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×52640362² = 5542015422982088, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 52640362.

It is not an unprimeable number, because it can be changed into a prime (52640363) 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 in 3 ways as a sum of consecutive naturals, for example, 122778 + ... + 123205.

It is an arithmetic number, because the mean of its divisors is an integer number (9962352).

Almost surely, 2^52640362 is an apocalyptic number.

52640362 is a deficient number, since it is larger than the sum of its proper divisors (27058454).

52640362 is a wasteful number, since it uses less digits than its factorization.

52640362 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246092.

The product of its (nonzero) digits is 8640, while the sum is 28.

The square root of 52640362 is about 7255.3678059765. The cubic root of 52640362 is about 374.7770218119. Note that the first 3 decimals are identical.

Adding to 52640362 its reverse (26304625), we get a palindrome (78944987).

The spelling of 52640362 in words is "fifty-two million, six hundred forty thousand, three hundred sixty-two".