55165103 has 8 divisors (see below), whose sum is σ = 64235808. Its totient is φ = 46391904.

The previous prime is 55165091. The next prime is 55165127. The reversal of 55165103 is 30156155.

55165103 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55165103 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55165133) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 73976 + ... + 74717.

It is an arithmetic number, because the mean of its divisors is an integer number (8029476).

Almost surely, 2^55165103 is an apocalyptic number.

55165103 is a gapful number since it is divisible by the number (53) formed by its first and last digit.

55165103 is a deficient number, since it is larger than the sum of its proper divisors (9070705).

55165103 is a wasteful number, since it uses less digits than its factorization.

55165103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148753.

The product of its (nonzero) digits is 2250, while the sum is 26.

The square root of 55165103 is about 7427.3213879568. The cubic root of 55165103 is about 380.6753985822.

The spelling of 55165103 in words is "fifty-five million, one hundred sixty-five thousand, one hundred three".