55095680 has 64 divisors (see below), whose sum is σ = 136010880. Its totient is φ = 21319680.

The previous prime is 55095661. The next prime is 55095683. The reversal of 55095680 is 8659055.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55095683) 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, 18452 + ... + 21228.

It is an arithmetic number, because the mean of its divisors is an integer number (2125170).

Almost surely, 2^55095680 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 55095680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68005440).

55095680 is an abundant number, since it is smaller than the sum of its proper divisors (80915200).

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

55095680 is a wasteful number, since it uses less digits than its factorization.

55095680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2827 (or 2815 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 38.

The square root of 55095680 is about 7422.6464283300. The cubic root of 55095680 is about 380.5156434681.

The spelling of 55095680 in words is "fifty-five million, ninety-five thousand, six hundred eighty".