65953057 has 4 divisors (see below), whose sum is σ = 66001600. Its totient is φ = 65904516.

The previous prime is 65953021. The next prime is 65953061. The reversal of 65953057 is 75035956.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 65953057 - 2¹⁵ = 65920289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65953067) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22173 + ... + 24970.

It is an arithmetic number, because the mean of its divisors is an integer number (16500400).

Almost surely, 2^65953057 is an apocalyptic number.

It is an amenable number.

65953057 is a deficient number, since it is larger than the sum of its proper divisors (48543).

65953057 is a wasteful number, since it uses less digits than its factorization.

65953057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48542.

The product of its (nonzero) digits is 141750, while the sum is 40.

The square root of 65953057 is about 8121.1487487916. The cubic root of 65953057 is about 404.0281672515.

The spelling of 65953057 in words is "sixty-five million, nine hundred fifty-three thousand, fifty-seven".