53047505 has 8 divisors (see below), whose sum is σ = 72750912. Its totient is φ = 36375408.

The previous prime is 53047433. The next prime is 53047517. The reversal of 53047505 is 50574035.

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

It is a cyclic number.

It is not a de Polignac number, because 53047505 - 2⁸ = 53047249 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, 757787 + ... + 757856.

It is an arithmetic number, because the mean of its divisors is an integer number (9093864).

Almost surely, 2^53047505 is an apocalyptic number.

It is an amenable number.

53047505 is a deficient number, since it is larger than the sum of its proper divisors (19703407).

53047505 is a wasteful number, since it uses less digits than its factorization.

53047505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1515655.

The product of its (nonzero) digits is 10500, while the sum is 29.

The square root of 53047505 is about 7283.3718153064. The cubic root of 53047505 is about 375.7407698041.

The spelling of 53047505 in words is "fifty-three million, forty-seven thousand, five hundred five".