53963 has 8 divisors (see below), whose sum is σ = 66528. Its totient is φ = 42624.

The previous prime is 53959. The next prime is 53987. The reversal of 53963 is 36935.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 53963 - 2² = 53959 is a prime.

It is not an unprimeable number, because it can be changed into a prime (53923) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 206 + ... + 387.

It is an arithmetic number, because the mean of its divisors is an integer number (8316).

2⁵³⁹⁶³ is an apocalyptic number.

53963 is a deficient number, since it is larger than the sum of its proper divisors (12565).

53963 is a wasteful number, since it uses less digits than its factorization.

53963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 613.

The product of its digits is 2430, while the sum is 26.

The square root of 53963 is about 232.2993758063. The cubic root of 53963 is about 37.7889967320.

The spelling of 53963 in words is "fifty-three thousand, nine hundred sixty-three".