55665896 has 96 divisors (see below), whose sum is σ = 130442400. Its totient is φ = 22014720.

The previous prime is 55665893. The next prime is 55665899. The reversal of 55665896 is 69856655.

It is an interprime number because it is at equal distance from previous prime (55665893) and next prime (55665899).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55665893) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 282470 + ... + 282666.

It is an arithmetic number, because the mean of its divisors is an integer number (1358775).

Almost surely, 2^55665896 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 55665896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65221200).

55665896 is an abundant number, since it is smaller than the sum of its proper divisors (74776504).

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

55665896 is a wasteful number, since it uses less digits than its factorization.

55665896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259 (or 242 counting only the distinct ones).

The product of its digits is 1944000, while the sum is 50.

The square root of 55665896 is about 7460.9581154165. The cubic root of 55665896 is about 381.8238636824.

The spelling of 55665896 in words is "fifty-five million, six hundred sixty-five thousand, eight hundred ninety-six".