65053571 has 8 divisors (see below), whose sum is σ = 71766000. Its totient is φ = 58474240.

The previous prime is 65053561. The next prime is 65053579. The reversal of 65053571 is 17535056.

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

It is not a de Polignac number, because 65053571 - 2⁶ = 65053507 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65053579) 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, 32246 + ... + 34203.

It is an arithmetic number, because the mean of its divisors is an integer number (8970750).

Almost surely, 2^65053571 is an apocalyptic number.

65053571 is a deficient number, since it is larger than the sum of its proper divisors (6712429).

65053571 is a wasteful number, since it uses less digits than its factorization.

65053571 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66549.

The product of its (nonzero) digits is 15750, while the sum is 32.

The square root of 65053571 is about 8065.5793964228. The cubic root of 65053571 is about 402.1830041424.

The spelling of 65053571 in words is "sixty-five million, fifty-three thousand, five hundred seventy-one".