55533870166 has 8 divisors (see below), whose sum is σ = 83610474480. Its totient is φ = 27663712008.

The previous prime is 55533870157. The next prime is 55533870167. The reversal of 55533870166 is 66107833555.

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

It is a super-2 number, since 2×55533870166² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55533870167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51610866 + ... + 51611941.

It is an arithmetic number, because the mean of its divisors is an integer number (10451309310).

Almost surely, 2^55533870166 is an apocalyptic number.

55533870166 is a deficient number, since it is larger than the sum of its proper divisors (28076604314).

55533870166 is a wasteful number, since it uses less digits than its factorization.

55533870166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103223078.

The product of its (nonzero) digits is 2268000, while the sum is 49.

The spelling of 55533870166 in words is "fifty-five billion, five hundred thirty-three million, eight hundred seventy thousand, one hundred sixty-six".