52488305 has 4 divisors (see below), whose sum is σ = 62985972. Its totient is φ = 41990640.

The previous prime is 52488283. The next prime is 52488307. The reversal of 52488305 is 50388425.

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

It can be written as a sum of positive squares in 2 ways, for example, as 18113536 + 34374769 = 4256^2 + 5863^2 .

It is a de Polignac number, because none of the positive numbers 2^k-52488305 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (52488307) 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, 5248826 + ... + 5248835.

It is an arithmetic number, because the mean of its divisors is an integer number (15746493).

Almost surely, 2^52488305 is an apocalyptic number.

It is an amenable number.

52488305 is a deficient number, since it is larger than the sum of its proper divisors (10497667).

52488305 is a wasteful number, since it uses less digits than its factorization.

52488305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10497666.

The product of its (nonzero) digits is 38400, while the sum is 35.

The square root of 52488305 is about 7244.8812964741. The cubic root of 52488305 is about 374.4158133715.

The spelling of 52488305 in words is "fifty-two million, four hundred eighty-eight thousand, three hundred five".