55383630 has 16 divisors (see below), whose sum is σ = 132920784. Its totient is φ = 14768960.

The previous prime is 55383623. The next prime is 55383631. The reversal of 55383630 is 3638355.

55383630 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 55383591 and 55383600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55383631) 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 7 ways as a sum of consecutive naturals, for example, 923031 + ... + 923090.

It is an arithmetic number, because the mean of its divisors is an integer number (8307549).

Almost surely, 2^55383630 is an apocalyptic number.

55383630 is an abundant number, since it is smaller than the sum of its proper divisors (77537154).

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

55383630 is a wasteful number, since it uses less digits than its factorization.

55383630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1846131.

The product of its (nonzero) digits is 32400, while the sum is 33.

The square root of 55383630 is about 7442.0178715184. The cubic root of 55383630 is about 381.1773961897.

The spelling of 55383630 in words is "fifty-five million, three hundred eighty-three thousand, six hundred thirty".