55666152 has 48 divisors (see below), whose sum is σ = 151482240. Its totient is φ = 18466848.

The previous prime is 55666139. The next prime is 55666159. The reversal of 55666152 is 25166655.

It is a happy number.

55666152 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (55666159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14323 + ... + 17789.

It is an arithmetic number, because the mean of its divisors is an integer number (3155880).

Almost surely, 2^55666152 is an apocalyptic number.

It is an amenable number.

55666152 is an abundant number, since it is smaller than the sum of its proper divisors (95816088).

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

55666152 is a wasteful number, since it uses less digits than its factorization.

55666152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3702 (or 3695 counting only the distinct ones).

The product of its digits is 54000, while the sum is 36.

The square root of 55666152 is about 7460.9752713704. The cubic root of 55666152 is about 381.8244490004.

The spelling of 55666152 in words is "fifty-five million, six hundred sixty-six thousand, one hundred fifty-two".