55351404531503 has 8 divisors (see below), whose sum is σ = 55678358035776. Its totient is φ = 55024531524000.

The previous prime is 55351404531487. The next prime is 55351404531517. The reversal of 55351404531503 is 30513540415355.

55351404531503 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 55351404531503 - 2⁴ = 55351404531487 is a prime.

It is a super-2 number, since 2×55351404531503² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55351404231503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18744608 + ... + 21495653.

It is an arithmetic number, because the mean of its divisors is an integer number (6959794754472).

Almost surely, 2^{55351404531503} is an apocalyptic number.

55351404531503 is a deficient number, since it is larger than the sum of its proper divisors (326953504273).

55351404531503 is a wasteful number, since it uses less digits than its factorization.

55351404531503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40248385.

The product of its (nonzero) digits is 1350000, while the sum is 44.

Adding to 55351404531503 its reverse (30513540415355), we get a palindrome (85864944946858).

The spelling of 55351404531503 in words is "fifty-five trillion, three hundred fifty-one billion, four hundred four million, five hundred thirty-one thousand, five hundred three".