53305065 has 24 divisors (see below), whose sum is σ = 100795968. Its totient is φ = 25844640.

The previous prime is 53305061. The next prime is 53305069. The reversal of 53305065 is 56050335.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (53305061) and next prime (53305069).

It is not a de Polignac number, because 53305065 - 2² = 53305061 is a prime.

It is not an unprimeable number, because it can be changed into a prime (53305061) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 53349 + ... + 54338.

It is an arithmetic number, because the mean of its divisors is an integer number (4199832).

Almost surely, 2^53305065 is an apocalyptic number.

53305065 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

53305065 is a deficient number, since it is larger than the sum of its proper divisors (47490903).

53305065 is a wasteful number, since it uses less digits than its factorization.

53305065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107709 (or 107706 counting only the distinct ones).

The product of its (nonzero) digits is 6750, while the sum is 27.

The square root of 53305065 is about 7301.0317763998. The cubic root of 53305065 is about 376.3478959989.

The spelling of 53305065 in words is "fifty-three million, three hundred five thousand, sixty-five".