55315010143 has 4 divisors (see below), whose sum is σ = 57720010608. Its totient is φ = 52910009680.

The previous prime is 55315010129. The next prime is 55315010173. The reversal of 55315010143 is 34101051355.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 55315010143 - 2⁵ = 55315010111 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 (55315010173) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1202500198 + ... + 1202500243.

It is an arithmetic number, because the mean of its divisors is an integer number (14430002652).

Almost surely, 2^55315010143 is an apocalyptic number.

55315010143 is a deficient number, since it is larger than the sum of its proper divisors (2405000465).

55315010143 is a wasteful number, since it uses less digits than its factorization.

55315010143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2405000464.

The product of its (nonzero) digits is 4500, while the sum is 28.

Adding to 55315010143 its reverse (34101051355), we get a palindrome (89416061498).

The spelling of 55315010143 in words is "fifty-five billion, three hundred fifteen million, ten thousand, one hundred forty-three".