55863853 has 8 divisors (see below), whose sum is σ = 60593400. Its totient is φ = 51294720.

The previous prime is 55863827. The next prime is 55863859. The reversal of 55863853 is 35836855.

55863853 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 15896169 + 39967684 = 3987^2 + 6322^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 55863853 - 2⁹ = 55863341 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55863859) 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, 39378 + ... + 40771.

It is an arithmetic number, because the mean of its divisors is an integer number (7574175).

Almost surely, 2^55863853 is an apocalyptic number.

It is an amenable number.

55863853 is a deficient number, since it is larger than the sum of its proper divisors (4729547).

55863853 is a wasteful number, since it uses less digits than its factorization.

55863853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80207.

The product of its digits is 432000, while the sum is 43.

The square root of 55863853 is about 7474.2125337724. The cubic root of 55863853 is about 382.2759375218.

It can be divided in two parts, 5586385 and 3, that multiplied together give a triangular number (16759155 = T₅₇₈₉).

The spelling of 55863853 in words is "fifty-five million, eight hundred sixty-three thousand, eight hundred fifty-three".