55450210503 has 16 divisors (see below), whose sum is σ = 74047737600. Its totient is φ = 36909788160.

The previous prime is 55450210463. The next prime is 55450210523. The reversal of 55450210503 is 30501205455.

It is a happy number.

It is not a de Polignac number, because 55450210503 - 2¹⁷ = 55450079431 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55450210523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7829518 + ... + 7836596.

It is an arithmetic number, because the mean of its divisors is an integer number (4627983600).

Almost surely, 2^55450210503 is an apocalyptic number.

55450210503 is a deficient number, since it is larger than the sum of its proper divisors (18597527097).

55450210503 is a wasteful number, since it uses less digits than its factorization.

55450210503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10742.

The product of its (nonzero) digits is 15000, while the sum is 30.

Adding to 55450210503 its reverse (30501205455), we get a palindrome (85951415958).

The spelling of 55450210503 in words is "fifty-five billion, four hundred fifty million, two hundred ten thousand, five hundred three".