55333152 has 144 divisors (see below), whose sum is σ = 187881120. Its totient is φ = 15797376.

The previous prime is 55333141. The next prime is 55333199. The reversal of 55333152 is 25133355.

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

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 41683 + ... + 42989.

It is an arithmetic number, because the mean of its divisors is an integer number (1304730).

Almost surely, 2^55333152 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 55333152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (93940560).

55333152 is an abundant number, since it is smaller than the sum of its proper divisors (132547968).

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

55333152 is a wasteful number, since it uses less digits than its factorization.

55333152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1340 (or 1319 counting only the distinct ones).

The product of its digits is 6750, while the sum is 27.

The square root of 55333152 is about 7438.6256795190. The cubic root of 55333152 is about 381.0615561773.

The spelling of 55333152 in words is "fifty-five million, three hundred thirty-three thousand, one hundred fifty-two".