53047471 has 8 divisors (see below), whose sum is σ = 53794800. Its totient is φ = 52303680.

The previous prime is 53047433. The next prime is 53047517. The reversal of 53047471 is 17474035.

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 53047471 - 2²³ = 44658863 is a prime.

It is a super-3 number, since 3×53047471³ (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53057471) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44716 + ... + 45886.

It is an arithmetic number, because the mean of its divisors is an integer number (6724350).

Almost surely, 2^53047471 is an apocalyptic number.

53047471 is a deficient number, since it is larger than the sum of its proper divisors (747329).

53047471 is a wasteful number, since it uses less digits than its factorization.

53047471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1769.

The product of its (nonzero) digits is 11760, while the sum is 31.

The square root of 53047471 is about 7283.3694812223. The cubic root of 53047471 is about 375.7406895290.

The spelling of 53047471 in words is "fifty-three million, forty-seven thousand, four hundred seventy-one".