55290103 has 12 divisors (see below), whose sum is σ = 64350720. Its totient is φ = 47305280.

The previous prime is 55290101. The next prime is 55290119. The reversal of 55290103 is 30109255.

It is not a de Polignac number, because 55290103 - 2¹ = 55290101 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 (55290101) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11383 + ... + 15496.

It is an arithmetic number, because the mean of its divisors is an integer number (5362560).

Almost surely, 2^55290103 is an apocalyptic number.

55290103 is a deficient number, since it is larger than the sum of its proper divisors (9060617).

55290103 is a wasteful number, since it uses less digits than its factorization.

55290103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26918 (or 26907 counting only the distinct ones).

The product of its (nonzero) digits is 1350, while the sum is 25.

The square root of 55290103 is about 7435.7315040284. The cubic root of 55290103 is about 380.9627090164.

Adding to 55290103 its reverse (30109255), we get a palindrome (85399358).

The spelling of 55290103 in words is "fifty-five million, two hundred ninety thousand, one hundred three".