55503501432423 has 16 divisors (see below), whose sum is σ = 80777797637376. Its totient is φ = 33619555751040.

The previous prime is 55503501432403. The next prime is 55503501432469. The reversal of 55503501432423 is 32423410530555.

It is not a de Polignac number, because 55503501432423 - 2¹⁴ = 55503501416039 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55503501432403) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 473189611 + ... + 473306892.

It is an arithmetic number, because the mean of its divisors is an integer number (5048612352336).

Almost surely, 2^{55503501432423} is an apocalyptic number.

55503501432423 is a deficient number, since it is larger than the sum of its proper divisors (25274296204953).

55503501432423 is a wasteful number, since it uses less digits than its factorization.

55503501432423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 946498294.

The product of its (nonzero) digits is 1080000, while the sum is 42.

Adding to 55503501432423 its reverse (32423410530555), we get a palindrome (87926911962978).

The spelling of 55503501432423 in words is "fifty-five trillion, five hundred three billion, five hundred one million, four hundred thirty-two thousand, four hundred twenty-three".