55600403 has 4 divisors (see below), whose sum is σ = 58526760. Its totient is φ = 52674048.

The previous prime is 55600397. The next prime is 55600409. The reversal of 55600403 is 30400655.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30400655 = 5 ⋅6080131.

It is an interprime number because it is at equal distance from previous prime (55600397) and next prime (55600409).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55600403 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55600409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1463150 + ... + 1463187.

It is an arithmetic number, because the mean of its divisors is an integer number (14631690).

Almost surely, 2^55600403 is an apocalyptic number.

55600403 is a deficient number, since it is larger than the sum of its proper divisors (2926357).

55600403 is a wasteful number, since it uses less digits than its factorization.

55600403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2926356.

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 55600403 is about 7456.5677761286. The cubic root of 55600403 is about 381.6740615854.

The spelling of 55600403 in words is "fifty-five million, six hundred thousand, four hundred three".