55159927 has 8 divisors (see below), whose sum is σ = 56542464. Its totient is φ = 53782008.

The previous prime is 55159919. The next prime is 55159939. The reversal of 55159927 is 72995155.

It is a happy number.

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 55159927 - 2³ = 55159919 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a Duffinian number.

55159927 is a modest number, since divided by 9927 gives 5515 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55159987) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46848 + ... + 48010.

It is an arithmetic number, because the mean of its divisors is an integer number (7067808).

Almost surely, 2^55159927 is an apocalyptic number.

55159927 is a deficient number, since it is larger than the sum of its proper divisors (1382537).

55159927 is a wasteful number, since it uses less digits than its factorization.

55159927 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2309.

The product of its digits is 141750, while the sum is 43.

The square root of 55159927 is about 7426.9729365334. The cubic root of 55159927 is about 380.6634922780.

The spelling of 55159927 in words is "fifty-five million, one hundred fifty-nine thousand, nine hundred twenty-seven".