53963808 has 48 divisors (see below), whose sum is σ = 146232576. Its totient is φ = 17406720.

The previous prime is 53963807. The next prime is 53963827. The reversal of 53963808 is 80836935.

It is a tau number, because it is divible by the number of its divisors (48).

It is a self number, because there is not a number n which added to its sum of digits gives 53963808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53963807) 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, 6091 + ... + 12042.

It is an arithmetic number, because the mean of its divisors is an integer number (3046512).

Almost surely, 2^53963808 is an apocalyptic number.

It is an amenable number.

53963808 is an abundant number, since it is smaller than the sum of its proper divisors (92268768).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

53963808 is a wasteful number, since it uses less digits than its factorization.

53963808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18177 (or 18169 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 42.

The square root of 53963808 is about 7346.0062619086. The cubic root of 53963808 is about 377.8918533877.

The spelling of 53963808 in words is "fifty-three million, nine hundred sixty-three thousand, eight hundred eight".