55645103 has 8 divisors (see below), whose sum is σ = 56208048. Its totient is φ = 55085184.

The previous prime is 55645087. The next prime is 55645111. The reversal of 55645103 is 30154655.

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

It is a cyclic number.

It is not a de Polignac number, because 55645103 - 2⁴ = 55645087 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 (51645103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54425 + ... + 55437.

It is an arithmetic number, because the mean of its divisors is an integer number (7026006).

Almost surely, 2^55645103 is an apocalyptic number.

55645103 is a deficient number, since it is larger than the sum of its proper divisors (562945).

55645103 is a wasteful number, since it uses less digits than its factorization.

55645103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1513.

The product of its (nonzero) digits is 9000, while the sum is 29.

The square root of 55645103 is about 7459.5645315260. The cubic root of 55645103 is about 381.7763166030.

Adding to 55645103 its reverse (30154655), we get a palindrome (85799758).

The spelling of 55645103 in words is "fifty-five million, six hundred forty-five thousand, one hundred three".