55143115455533 has 8 divisors (see below), whose sum is σ = 63027178407168. Its totient is φ = 47260671261264.

The previous prime is 55143115455529. The next prime is 55143115455553. The reversal of 55143115455533 is 33555451134155.

55143115455533 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 55143115455533 - 2² = 55143115455529 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55143115455523) 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, 404616341 + ... + 404752602.

It is an arithmetic number, because the mean of its divisors is an integer number (7878397300896).

Almost surely, 2^{55143115455533} is an apocalyptic number.

It is an amenable number.

55143115455533 is a deficient number, since it is larger than the sum of its proper divisors (7884062951635).

55143115455533 is an equidigital number, since it uses as much as digits as its factorization.

55143115455533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 809378683.

The product of its digits is 6750000, while the sum is 50.

Adding to 55143115455533 its reverse (33555451134155), we get a palindrome (88698566589688).

The spelling of 55143115455533 in words is "fifty-five trillion, one hundred forty-three billion, one hundred fifteen million, four hundred fifty-five thousand, five hundred thirty-three".