53530365 has 32 divisors (see below), whose sum is σ = 103645440. Its totient is φ = 23030784.

The previous prime is 53530363. The next prime is 53530369. The reversal of 53530365 is 56303535.

It is not a de Polignac number, because 53530365 - 2¹ = 53530363 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53530363) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13210 + ... + 16779.

It is an arithmetic number, because the mean of its divisors is an integer number (3238920).

Almost surely, 2^53530365 is an apocalyptic number.

It is an amenable number.

53530365 is a deficient number, since it is larger than the sum of its proper divisors (50115075).

53530365 is a wasteful number, since it uses less digits than its factorization.

53530365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30021.

The product of its (nonzero) digits is 20250, while the sum is 30.

The square root of 53530365 is about 7316.4448333873. Note that the first 3 decimals coincide. The cubic root of 53530365 is about 376.8773766451.

The spelling of 53530365 in words is "fifty-three million, five hundred thirty thousand, three hundred sixty-five".