55367808 has 64 divisors (see below), whose sum is σ = 153489600. Its totient is φ = 17650688.

The previous prime is 55367801. The next prime is 55367857. The reversal of 55367808 is 80876355.

It is a tau number, because it is divible by the number of its divisors (64).

It is a self number, because there is not a number n which added to its sum of digits gives 55367808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55367801) 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, 5698 + ... + 11966.

It is an arithmetic number, because the mean of its divisors is an integer number (2398275).

Almost surely, 2^55367808 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 55367808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76744800).

55367808 is an abundant number, since it is smaller than the sum of its proper divisors (98121792).

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

55367808 is a wasteful number, since it uses less digits than its factorization.

55367808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6309 (or 6297 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 42.

The square root of 55367808 is about 7440.9547774462. The cubic root of 55367808 is about 381.1410944692.

The spelling of 55367808 in words is "fifty-five million, three hundred sixty-seven thousand, eight hundred eight".