53916863 has 32 divisors (see below), whose sum is σ = 73661952. Its totient is φ = 38102400.

The previous prime is 53916857. The next prime is 53916869. The reversal of 53916863 is 36861935.

It is an interprime number because it is at equal distance from previous prime (53916857) and next prime (53916869).

It is not a de Polignac number, because 53916863 - 2¹² = 53912767 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 53916863.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53916869) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 60620 + ... + 61502.

It is an arithmetic number, because the mean of its divisors is an integer number (2301936).

Almost surely, 2^53916863 is an apocalyptic number.

53916863 is a deficient number, since it is larger than the sum of its proper divisors (19745089).

53916863 is a wasteful number, since it uses less digits than its factorization.

53916863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 975.

The product of its digits is 116640, while the sum is 41.

The square root of 53916863 is about 7342.8102930690. The cubic root of 53916863 is about 377.7822411590.

The spelling of 53916863 in words is "fifty-three million, nine hundred sixteen thousand, eight hundred sixty-three".