55889156 has 12 divisors (see below), whose sum is σ = 100961280. Its totient is φ = 27043080.

The previous prime is 55889137. The next prime is 55889161. The reversal of 55889156 is 65198855.

It is a self number, because there is not a number n which added to its sum of digits gives 55889156.

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 3 ways as a sum of consecutive naturals, for example, 225236 + ... + 225483.

It is an arithmetic number, because the mean of its divisors is an integer number (8413440).

Almost surely, 2^55889156 is an apocalyptic number.

It is an amenable number.

55889156 is a deficient number, since it is larger than the sum of its proper divisors (45072124).

55889156 is a wasteful number, since it uses less digits than its factorization.

55889156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 450754 (or 450752 counting only the distinct ones).

The product of its digits is 432000, while the sum is 47.

The square root of 55889156 is about 7475.9050288243. The cubic root of 55889156 is about 382.3336448914. Note that the first 3 decimals are identical.

The spelling of 55889156 in words is "fifty-five million, eight hundred eighty-nine thousand, one hundred fifty-six".