55015054145143 has 8 divisors (see below), whose sum is σ = 56055491680608. Its totient is φ = 53974706152224.

The previous prime is 55015054145137. The next prime is 55015054145153. The reversal of 55015054145143 is 34154145051055.

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 55015054145143 - 2⁴¹ = 52816030889591 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 55015054145143.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55015054145113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21144571 + ... + 23603452.

It is an arithmetic number, because the mean of its divisors is an integer number (7006936460076).

Almost surely, 2^{55015054145143} is an apocalyptic number.

55015054145143 is a gapful number since it is divisible by the number (53) formed by its first and last digit.

55015054145143 is a deficient number, since it is larger than the sum of its proper divisors (1040437535465).

55015054145143 is a wasteful number, since it uses less digits than its factorization.

55015054145143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44771273.

The product of its (nonzero) digits is 600000, while the sum is 43.

Adding to 55015054145143 its reverse (34154145051055), we get a palindrome (89169199196198).

The spelling of 55015054145143 in words is "fifty-five trillion, fifteen billion, fifty-four million, one hundred forty-five thousand, one hundred forty-three".