55163806 has 8 divisors (see below), whose sum is σ = 84506400. Its totient is φ = 26995008.

The previous prime is 55163753. The next prime is 55163807. The reversal of 55163806 is 60836155.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55163807) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 293331 + ... + 293518.

It is an arithmetic number, because the mean of its divisors is an integer number (10563300).

Almost surely, 2^55163806 is an apocalyptic number.

55163806 is a deficient number, since it is larger than the sum of its proper divisors (29342594).

55163806 is a wasteful number, since it uses less digits than its factorization.

55163806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 586898.

The product of its (nonzero) digits is 21600, while the sum is 34.

The square root of 55163806 is about 7427.2340746741. The cubic root of 55163806 is about 380.6724151752.

The spelling of 55163806 in words is "fifty-five million, one hundred sixty-three thousand, eight hundred six".