55003803 has 16 divisors (see below), whose sum is σ = 77470080. Its totient is φ = 34617024.

The previous prime is 55003801. The next prime is 55003811. The reversal of 55003803 is 30830055.

It is not a de Polignac number, because 55003803 - 2¹ = 55003801 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55003801) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16300 + ... + 19382.

It is an arithmetic number, because the mean of its divisors is an integer number (4841880).

Almost surely, 2^55003803 is an apocalyptic number.

55003803 is a deficient number, since it is larger than the sum of its proper divisors (22466277).

55003803 is a wasteful number, since it uses less digits than its factorization.

55003803 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3418.

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 55003803 is about 7416.4548808713. The cubic root of 55003803 is about 380.3040111033.

Adding to 55003803 its reverse (30830055), we get a palindrome (85833858).

The spelling of 55003803 in words is "fifty-five million, three thousand, eight hundred three".