55330152 has 32 divisors (see below), whose sum is σ = 138607200. Its totient is φ = 18405824.

The previous prime is 55330151. The next prime is 55330169. The reversal of 55330152 is 25103355.

It is a super-2 number, since 2×55330152² = 6122851440686208, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (55330151) by changing a digit.

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, 11299 + ... + 15437.

It is an arithmetic number, because the mean of its divisors is an integer number (4331475).

Almost surely, 2^55330152 is an apocalyptic number.

It is an amenable number.

55330152 is an abundant number, since it is smaller than the sum of its proper divisors (83277048).

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

55330152 is a wasteful number, since it uses less digits than its factorization.

55330152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4705 (or 4701 counting only the distinct ones).

The product of its (nonzero) digits is 2250, while the sum is 24.

The square root of 55330152 is about 7438.4240266336. The cubic root of 55330152 is about 381.0546693756.

The spelling of 55330152 in words is "fifty-five million, three hundred thirty thousand, one hundred fifty-two".