53252642 has 8 divisors (see below), whose sum is σ = 82633500. Its totient is φ = 25708144.

The previous prime is 53252609. The next prime is 53252663. The reversal of 53252642 is 24625235.

It can be written as a sum of positive squares in 2 ways, for example, as 50566321 + 2686321 = 7111^2 + 1639^2 .

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

It is a Harshad number since it is a multiple of its sum of digits (29).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 459017 + ... + 459132.

Almost surely, 2^53252642 is an apocalyptic number.

53252642 is a deficient number, since it is larger than the sum of its proper divisors (29380858).

53252642 is a wasteful number, since it uses less digits than its factorization.

53252642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 918180.

The product of its digits is 14400, while the sum is 29.

The square root of 53252642 is about 7297.4407842750. The cubic root of 53252642 is about 376.2244821051.

Adding to 53252642 its reverse (24625235), we get a palindrome (77877877).

The spelling of 53252642 in words is "fifty-three million, two hundred fifty-two thousand, six hundred forty-two".