55144125475 has 12 divisors (see below), whose sum is σ = 68430597840. Its totient is φ = 44081828000.

The previous prime is 55144125473. The next prime is 55144125493. The reversal of 55144125475 is 57452144155.

It is a happy number.

It is not a de Polignac number, because 55144125475 - 2¹ = 55144125473 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55144125473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 803176 + ... + 869125.

It is an arithmetic number, because the mean of its divisors is an integer number (5702549820).

Almost surely, 2^55144125475 is an apocalyptic number.

55144125475 is a deficient number, since it is larger than the sum of its proper divisors (13286472365).

55144125475 is a wasteful number, since it uses less digits than its factorization.

55144125475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1673630 (or 1673625 counting only the distinct ones).

The product of its digits is 560000, while the sum is 43.

The spelling of 55144125475 in words is "fifty-five billion, one hundred forty-four million, one hundred twenty-five thousand, four hundred seventy-five".