53964065 has 4 divisors (see below), whose sum is σ = 64756884. Its totient is φ = 43171248.

The previous prime is 53964061. The next prime is 53964067. The reversal of 53964065 is 56046935.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 16900321 + 37063744 = 4111^2 + 6088^2 .

It is a cyclic number.

It is not a de Polignac number, because 53964065 - 2² = 53964061 is a prime.

It is a super-2 number, since 2×53964065² = 5824240622648450, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53964061) 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, 5396402 + ... + 5396411.

It is an arithmetic number, because the mean of its divisors is an integer number (16189221).

Almost surely, 2^53964065 is an apocalyptic number.

It is an amenable number.

53964065 is a deficient number, since it is larger than the sum of its proper divisors (10792819).

53964065 is a wasteful number, since it uses less digits than its factorization.

53964065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10792818.

The product of its (nonzero) digits is 97200, while the sum is 38.

The square root of 53964065 is about 7346.0237543858. The cubic root of 53964065 is about 377.8924532839.

The spelling of 53964065 in words is "fifty-three million, nine hundred sixty-four thousand, sixty-five".