53895663 has 12 divisors (see below), whose sum is σ = 78419328. Its totient is φ = 35667360.

The previous prime is 53895649. The next prime is 53895679. The reversal of 53895663 is 36659835.

53895663 is a `hidden beast` number, since 5 + 3 + 89 + 566 + 3 = 666.

It is not a de Polignac number, because 53895663 - 2⁸ = 53895407 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53895263) 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, 20623 + ... + 23088.

It is an arithmetic number, because the mean of its divisors is an integer number (6534944).

Almost surely, 2^53895663 is an apocalyptic number.

53895663 is a deficient number, since it is larger than the sum of its proper divisors (24523665).

53895663 is a wasteful number, since it uses less digits than its factorization.

53895663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43854 (or 43851 counting only the distinct ones).

The product of its digits is 583200, while the sum is 45.

The square root of 53895663 is about 7341.3665621599. The cubic root of 53895663 is about 377.7327202670.

The spelling of 53895663 in words is "fifty-three million, eight hundred ninety-five thousand, six hundred sixty-three".