65853057 has 16 divisors (see below), whose sum is σ = 89600000. Its totient is φ = 43012944.

The previous prime is 65853041. The next prime is 65853077. The reversal of 65853057 is 75035856.

It is not a de Polignac number, because 65853057 - 2⁴ = 65853041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65853037) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31944 + ... + 33942.

It is an arithmetic number, because the mean of its divisors is an integer number (5600000).

Almost surely, 2^65853057 is an apocalyptic number.

It is an amenable number.

65853057 is a deficient number, since it is larger than the sum of its proper divisors (23746943).

65853057 is a wasteful number, since it uses less digits than its factorization.

65853057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2220.

The product of its (nonzero) digits is 126000, while the sum is 39.

The square root of 65853057 is about 8114.9896487919. The cubic root of 65853057 is about 403.8238640912.

The spelling of 65853057 in words is "sixty-five million, eight hundred fifty-three thousand, fifty-seven".