53967663 has 6 divisors (see below), whose sum is σ = 77953304. Its totient is φ = 35978436.

The previous prime is 53967649. The next prime is 53967671. The reversal of 53967663 is 36676935.

It is not a de Polignac number, because 53967663 - 2⁴ = 53967647 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53960663) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2998195 + ... + 2998212.

Almost surely, 2^53967663 is an apocalyptic number.

53967663 is a deficient number, since it is larger than the sum of its proper divisors (23985641).

53967663 is a wasteful number, since it uses less digits than its factorization.

53967663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5996413 (or 5996410 counting only the distinct ones).

The product of its digits is 612360, while the sum is 45.

The square root of 53967663 is about 7346.2686446930. The cubic root of 53967663 is about 377.9008516309.

The spelling of 53967663 in words is "fifty-three million, nine hundred sixty-seven thousand, six hundred sixty-three".