53252387 has 4 divisors (see below), whose sum is σ = 53361336. Its totient is φ = 53143440.

The previous prime is 53252371. The next prime is 53252401. The reversal of 53252387 is 78325235.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 53252387 - 2⁴ = 53252371 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53252887) 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 3 ways as a sum of consecutive naturals, for example, 53738 + ... + 54719.

It is an arithmetic number, because the mean of its divisors is an integer number (13340334).

Almost surely, 2^53252387 is an apocalyptic number.

53252387 is a deficient number, since it is larger than the sum of its proper divisors (108949).

53252387 is a wasteful number, since it uses less digits than its factorization.

53252387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108948.

The product of its digits is 50400, while the sum is 35.

The square root of 53252387 is about 7297.4233123754. The cubic root of 53252387 is about 376.2238815878.

The spelling of 53252387 in words is "fifty-three million, two hundred fifty-two thousand, three hundred eighty-seven".