55466388 has 36 divisors (see below), whose sum is σ = 143471328. Its totient is φ = 18058320.

The previous prime is 55466381. The next prime is 55466401. The reversal of 55466388 is 88366455.

55466388 is a `hidden beast` number, since 5 + 5 + 4 + 6 + 638 + 8 = 666.

55466388 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55466381) 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, 16368 + ... + 19463.

Almost surely, 2^55466388 is an apocalyptic number.

It is an amenable number.

55466388 is an abundant number, since it is smaller than the sum of its proper divisors (88004940).

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

55466388 is a wasteful number, since it uses less digits than its factorization.

55466388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35884 (or 35879 counting only the distinct ones).

The product of its digits is 691200, while the sum is 45.

The square root of 55466388 is about 7447.5759814855. The cubic root of 55466388 is about 381.3671621279.

The spelling of 55466388 in words is "fifty-five million, four hundred sixty-six thousand, three hundred eighty-eight".