55103015 has 16 divisors (see below), whose sum is σ = 72951840. Its totient is φ = 39621120.

The previous prime is 55102997. The next prime is 55103033. The reversal of 55103015 is 51030155.

It is a happy number.

55103015 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (55102997) and next prime (55103033).

It is not a de Polignac number, because 55103015 - 2⁸ = 55102759 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 734 + ... + 10523.

It is an arithmetic number, because the mean of its divisors is an integer number (4559490).

Almost surely, 2^55103015 is an apocalyptic number.

55103015 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

55103015 is a deficient number, since it is larger than the sum of its proper divisors (17848825).

55103015 is a wasteful number, since it uses less digits than its factorization.

55103015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11362.

The product of its (nonzero) digits is 375, while the sum is 20.

The square root of 55103015 is about 7423.1405078983. The cubic root of 55103015 is about 380.5325289927.

The spelling of 55103015 in words is "fifty-five million, one hundred three thousand, fifteen".