55556803 has 4 divisors (see below), whose sum is σ = 55648048. Its totient is φ = 55465560.

The previous prime is 55556777. The next prime is 55556807. The reversal of 55556803 is 30865555.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 55556803 - 2²⁵ = 22002371 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55556807) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44703 + ... + 45928.

It is an arithmetic number, because the mean of its divisors is an integer number (13912012).

Almost surely, 2^55556803 is an apocalyptic number.

55556803 is a deficient number, since it is larger than the sum of its proper divisors (91245).

55556803 is an equidigital number, since it uses as much as digits as its factorization.

55556803 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91244.

The product of its (nonzero) digits is 90000, while the sum is 37.

The square root of 55556803 is about 7453.6436056468. The cubic root of 55556803 is about 381.5742700979.

The spelling of 55556803 in words is "fifty-five million, five hundred fifty-six thousand, eight hundred three".