53864163 has 16 divisors (see below), whose sum is σ = 79911840. Its totient is φ = 35858592.

The previous prime is 53864131. The next prime is 53864191. The reversal of 53864163 is 36146835.

53864163 is a `hidden beast` number, since 5 + 3 + 8 + 641 + 6 + 3 = 666.

It is not a de Polignac number, because 53864163 - 2⁵ = 53864131 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (53864113) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36345 + ... + 37797.

It is an arithmetic number, because the mean of its divisors is an integer number (4994490).

Almost surely, 2^53864163 is an apocalyptic number.

53864163 is a deficient number, since it is larger than the sum of its proper divisors (26047677).

53864163 is a wasteful number, since it uses less digits than its factorization.

53864163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2835 (or 2829 counting only the distinct ones).

The product of its digits is 51840, while the sum is 36.

The square root of 53864163 is about 7339.2208714550. The cubic root of 53864163 is about 377.6591157079.

The spelling of 53864163 in words is "fifty-three million, eight hundred sixty-four thousand, one hundred sixty-three".