55323360 has 144 divisors (see below), whose sum is σ = 191134944. Its totient is φ = 14570496.

The previous prime is 55323319. The next prime is 55323431. The reversal of 55323360 is 6332355.

It is a tau number, because it is divible by the number of its divisors (144).

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

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 23 ways as a sum of consecutive naturals, for example, 148134 + ... + 148506.

It is an arithmetic number, because the mean of its divisors is an integer number (1327326).

Almost surely, 2^55323360 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 55323360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (95567472).

55323360 is an abundant number, since it is smaller than the sum of its proper divisors (135811584).

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

55323360 is a wasteful number, since it uses less digits than its factorization.

55323360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 497 (or 486 counting only the distinct ones).

The product of its (nonzero) digits is 8100, while the sum is 27.

The square root of 55323360 is about 7437.9674643010. The cubic root of 55323360 is about 381.0390767368.

The spelling of 55323360 in words is "fifty-five million, three hundred twenty-three thousand, three hundred sixty".