55000851 has 8 divisors (see below), whose sum is σ = 75700224. Its totient is φ = 35484360.

The previous prime is 55000811. The next prime is 55000871. The reversal of 55000851 is 15800055.

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

It is not a de Polignac number, because 55000851 - 2⁶ = 55000787 is a prime.

It is a super-2 number, since 2×55000851² = 6050187221448402, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (55000811) 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, 295611 + ... + 295796.

It is an arithmetic number, because the mean of its divisors is an integer number (9462528).

Almost surely, 2^55000851 is an apocalyptic number.

55000851 is a deficient number, since it is larger than the sum of its proper divisors (20699373).

55000851 is a wasteful number, since it uses less digits than its factorization.

55000851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 591441.

The product of its (nonzero) digits is 1000, while the sum is 24.

The square root of 55000851 is about 7416.2558612820. The cubic root of 55000851 is about 380.2972074676.

The spelling of 55000851 in words is "fifty-five million, eight hundred fifty-one", and thus it is an aban number.