65806053 has 8 divisors (see below), whose sum is σ = 87780768. Its totient is φ = 43851024.

The previous prime is 65806051. The next prime is 65806057. The reversal of 65806053 is 35060856.

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

It is not a de Polignac number, because 65806053 - 2¹ = 65806051 is a prime.

It is a super-2 number, since 2×65806053² = 8660873222877618, which contains 22 as substring.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65806051) 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, 7026 + ... + 13452.

It is an arithmetic number, because the mean of its divisors is an integer number (10972596).

Almost surely, 2^65806053 is an apocalyptic number.

It is an amenable number.

65806053 is a deficient number, since it is larger than the sum of its proper divisors (21974715).

65806053 is a wasteful number, since it uses less digits than its factorization.

65806053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9843.

The product of its (nonzero) digits is 21600, while the sum is 33.

The square root of 65806053 is about 8112.0930098218. The cubic root of 65806053 is about 403.7277619730.

The spelling of 65806053 in words is "sixty-five million, eight hundred six thousand, fifty-three".