55270103 has 4 divisors (see below), whose sum is σ = 63165840. Its totient is φ = 47374368.

The previous prime is 55270099. The next prime is 55270121. The reversal of 55270103 is 30107255.

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 55270103 - 2² = 55270099 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55270133) 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, 3947858 + ... + 3947871.

It is an arithmetic number, because the mean of its divisors is an integer number (15791460).

Almost surely, 2^55270103 is an apocalyptic number.

55270103 is a deficient number, since it is larger than the sum of its proper divisors (7895737).

55270103 is an equidigital number, since it uses as much as digits as its factorization.

55270103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7895736.

The product of its (nonzero) digits is 1050, while the sum is 23.

The square root of 55270103 is about 7434.3865247914. The cubic root of 55270103 is about 380.9167684673.

Adding to 55270103 its reverse (30107255), we get a palindrome (85377358).

The spelling of 55270103 in words is "fifty-five million, two hundred seventy thousand, one hundred three".