53323505 has 8 divisors (see below), whose sum is σ = 64342824. Its totient is φ = 42422400.

The previous prime is 53323471. The next prime is 53323541. The reversal of 53323505 is 50532335.

It can be written as a sum of positive squares in 4 ways, for example, as 1079521 + 52243984 = 1039^2 + 7228^2 .

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

It is a de Polignac number, because none of the positive numbers 2^k-53323505 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28556 + ... + 30365.

It is an arithmetic number, because the mean of its divisors is an integer number (8042853).

Almost surely, 2^53323505 is an apocalyptic number.

It is an amenable number.

53323505 is a deficient number, since it is larger than the sum of its proper divisors (11019319).

53323505 is a wasteful number, since it uses less digits than its factorization.

53323505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59107.

The product of its (nonzero) digits is 6750, while the sum is 26.

The square root of 53323505 is about 7302.2945024150. The cubic root of 53323505 is about 376.3912880925.

The spelling of 53323505 in words is "fifty-three million, three hundred twenty-three thousand, five hundred five".