52743505 has 4 divisors (see below), whose sum is σ = 63292212. Its totient is φ = 42194800.

The previous prime is 52743491. The next prime is 52743517. The reversal of 52743505 is 50534725.

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 34621456 + 18122049 = 5884^2 + 4257^2 .

It is not a de Polignac number, because 52743505 - 2⁵ = 52743473 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

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, 5274346 + ... + 5274355.

It is an arithmetic number, because the mean of its divisors is an integer number (15823053).

Almost surely, 2^52743505 is an apocalyptic number.

It is an amenable number.

52743505 is a deficient number, since it is larger than the sum of its proper divisors (10548707).

52743505 is a wasteful number, since it uses less digits than its factorization.

52743505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10548706.

The product of its (nonzero) digits is 21000, while the sum is 31.

The square root of 52743505 is about 7262.4723751626. The cubic root of 52743505 is about 375.0216402327.

The spelling of 52743505 in words is "fifty-two million, seven hundred forty-three thousand, five hundred five".