55590168 has 64 divisors (see below), whose sum is σ = 142571520. Its totient is φ = 18057600.

The previous prime is 55590133. The next prime is 55590173. The reversal of 55590168 is 86109555.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 290953 + ... + 291143.

It is an arithmetic number, because the mean of its divisors is an integer number (2227680).

Almost surely, 2^55590168 is an apocalyptic number.

It is an amenable number.

55590168 is an abundant number, since it is smaller than the sum of its proper divisors (86981352).

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

55590168 is a wasteful number, since it uses less digits than its factorization.

55590168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 448 (or 444 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 39.

The square root of 55590168 is about 7455.8814368256. The cubic root of 55590168 is about 381.6506404497.

The spelling of 55590168 in words is "fifty-five million, five hundred ninety thousand, one hundred sixty-eight".