55800851 has 8 divisors (see below), whose sum is σ = 59225760. Its totient is φ = 52391808.

The previous prime is 55800839. The next prime is 55800881. The reversal of 55800851 is 15800855.

55800851 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55800851 is a prime.

It is a super-2 number, since 2×55800851² = 6227469944648402, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55800881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3725 + ... + 11201.

It is an arithmetic number, because the mean of its divisors is an integer number (7403220).

Almost surely, 2^55800851 is an apocalyptic number.

55800851 is a deficient number, since it is larger than the sum of its proper divisors (3424909).

55800851 is a wasteful number, since it uses less digits than its factorization.

55800851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7933.

The product of its (nonzero) digits is 8000, while the sum is 32.

The square root of 55800851 is about 7469.9967202135. The cubic root of 55800851 is about 382.1321760562.

The spelling of 55800851 in words is "fifty-five million, eight hundred thousand, eight hundred fifty-one".