53983863 has 6 divisors (see below), whose sum is σ = 77976704. Its totient is φ = 35989236.

The previous prime is 53983861. The next prime is 53983873. The reversal of 53983863 is 36838935.

It is not a de Polignac number, because 53983863 - 2¹ = 53983861 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 (53983861) 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, 2999095 + ... + 2999112.

Almost surely, 2^53983863 is an apocalyptic number.

53983863 is a deficient number, since it is larger than the sum of its proper divisors (23992841).

53983863 is a wasteful number, since it uses less digits than its factorization.

53983863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5998213 (or 5998210 counting only the distinct ones).

The product of its digits is 466560, while the sum is 45.

The square root of 53983863 is about 7347.3711625315. The cubic root of 53983863 is about 377.9386605767.

It can be divided in two parts, 5398 and 3863, that added together give a cube (9261 = 21³).

The spelling of 53983863 in words is "fifty-three million, nine hundred eighty-three thousand, eight hundred sixty-three".