5546400503 has 6 divisors (see below), whose sum is σ = 6451935336. Its totient is φ = 4754057532.

The previous prime is 5546400491. The next prime is 5546400553. The reversal of 5546400503 is 3050046455.

It is not a de Polignac number, because 5546400503 - 2⁶ = 5546400439 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5546400503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5546400553) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 56595875 + ... + 56595972.

It is an arithmetic number, because the mean of its divisors is an integer number (1075322556).

Almost surely, 2^5546400503 is an apocalyptic number.

5546400503 is a deficient number, since it is larger than the sum of its proper divisors (905534833).

5546400503 is a wasteful number, since it uses less digits than its factorization.

5546400503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113191861 (or 113191854 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 32.

The square root of 5546400503 is about 74474.1599684078. The cubic root of 5546400503 is about 1770.1242109093.

Adding to 5546400503 its reverse (3050046455), we get a palindrome (8596446958).

The spelling of 5546400503 in words is "five billion, five hundred forty-six million, four hundred thousand, five hundred three".