53267808 has 96 divisors (see below), whose sum is σ = 154852992. Its totient is φ = 15897600.

The previous prime is 53267801. The next prime is 53267813. The reversal of 53267808 is 80876235.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53267801) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 76743 + ... + 77433.

It is an arithmetic number, because the mean of its divisors is an integer number (1613052).

Almost surely, 2^53267808 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53267808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77426496).

53267808 is an abundant number, since it is smaller than the sum of its proper divisors (101585184).

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

53267808 is a wasteful number, since it uses less digits than its factorization.

53267808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 788 (or 780 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 39.

The square root of 53267808 is about 7298.4798417205. The cubic root of 53267808 is about 376.2601941293.

The spelling of 53267808 in words is "fifty-three million, two hundred sixty-seven thousand, eight hundred eight".