55200003 has 16 divisors (see below), whose sum is σ = 79744896. Its totient is φ = 33828480.

The previous prime is 55199993. The next prime is 55200007. The reversal of 55200003 is 30000255.

It is not a de Polignac number, because 55200003 - 2⁵ = 55199971 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55200007) 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, 10393 + ... + 14778.

It is an arithmetic number, because the mean of its divisors is an integer number (4984056).

Almost surely, 2^55200003 is an apocalyptic number.

55200003 is a deficient number, since it is larger than the sum of its proper divisors (24544893).

55200003 is a wasteful number, since it uses less digits than its factorization.

55200003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25234.

The product of its (nonzero) digits is 150, while the sum is 15.

The square root of 55200003 is about 7429.6704502959. The cubic root of 55200003 is about 380.7556592904.

Adding to 55200003 its reverse (30000255), we get a palindrome (85200258).

The spelling of 55200003 in words is "fifty-five million, two hundred thousand, three".