55636908 has 48 divisors (see below), whose sum is σ = 138378240. Its totient is φ = 17357824.

The previous prime is 55636907. The next prime is 55636913. The reversal of 55636908 is 80963655.

It is a self number, because there is not a number n which added to its sum of digits gives 55636908.

It is not an unprimeable number, because it can be changed into a prime (55636901) 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, 10828 + ... + 15116.

It is an arithmetic number, because the mean of its divisors is an integer number (2882880).

Almost surely, 2^55636908 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 55636908, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69189120).

55636908 is an abundant number, since it is smaller than the sum of its proper divisors (82741332).

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

55636908 is a wasteful number, since it uses less digits than its factorization.

55636908 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4366 (or 4364 counting only the distinct ones).

The product of its (nonzero) digits is 194400, while the sum is 42.

The square root of 55636908 is about 7459.0152165014. The cubic root of 55636908 is about 381.7575739503.

The spelling of 55636908 in words is "fifty-five million, six hundred thirty-six thousand, nine hundred eight".