55382904 has 24 divisors (see below), whose sum is σ = 149995560. Its totient is φ = 18460944.

The previous prime is 55382897. The next prime is 55382909. The reversal of 55382904 is 40928355.

55382904 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 (24).

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55382909) 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 5 ways as a sum of consecutive naturals, for example, 384532 + ... + 384675.

It is an arithmetic number, because the mean of its divisors is an integer number (6249815).

Almost surely, 2^55382904 is an apocalyptic number.

It is an amenable number.

55382904 is an abundant number, since it is smaller than the sum of its proper divisors (94612656).

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

55382904 is a wasteful number, since it uses less digits than its factorization.

55382904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 769219 (or 769212 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

The square root of 55382904 is about 7441.9690942653. The cubic root of 55382904 is about 381.1757306193.

The spelling of 55382904 in words is "fifty-five million, three hundred eighty-two thousand, nine hundred four".