53664363 has 12 divisors (see below), whose sum is σ = 80386488. Its totient is φ = 35776080.

The previous prime is 53664349. The next prime is 53664409. The reversal of 53664363 is 36346635.

It is a happy number.

53664363 is a `hidden beast` number, since 5 + 3 + 6 + 643 + 6 + 3 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-53664363 is a prime.

It is not an unprimeable number, because it can be changed into a prime (53662363) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 110178 + ... + 110663.

It is an arithmetic number, because the mean of its divisors is an integer number (6698874).

Almost surely, 2^53664363 is an apocalyptic number.

53664363 is a deficient number, since it is larger than the sum of its proper divisors (26722125).

53664363 is an equidigital number, since it uses as much as digits as its factorization.

53664363 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220856 (or 220844 counting only the distinct ones).

The product of its digits is 116640, while the sum is 36.

The square root of 53664363 is about 7325.5964262304. The cubic root of 53664363 is about 377.1915829533.

The spelling of 53664363 in words is "fifty-three million, six hundred sixty-four thousand, three hundred sixty-three".