55206368 has 48 divisors (see below), whose sum is σ = 127590624. Its totient is φ = 23016960.

The previous prime is 55206353. The next prime is 55206391. The reversal of 55206368 is 86360255.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4958 + ... + 11618.

It is an arithmetic number, because the mean of its divisors is an integer number (2658138).

Almost surely, 2^55206368 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 55206368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63795312).

55206368 is an abundant number, since it is smaller than the sum of its proper divisors (72384256).

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

55206368 is a wasteful number, since it uses less digits than its factorization.

55206368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6715 (or 6707 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 35.

The square root of 55206368 is about 7430.0987880377. The cubic root of 55206368 is about 380.7702934480.

The spelling of 55206368 in words is "fifty-five million, two hundred six thousand, three hundred sixty-eight".