54515251545 has 8 divisors (see below), whose sum is σ = 87224402496. Its totient is φ = 29074800816.

The previous prime is 54515251537. The next prime is 54515251559.

It is a happy number.

54515251545 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 54515251545 - 2³ = 54515251537 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 54515251497 and 54515251506.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1817175037 + ... + 1817175066.

It is an arithmetic number, because the mean of its divisors is an integer number (10903050312).

Almost surely, 2^54515251545 is an apocalyptic number.

It is an amenable number.

54515251545 is a deficient number, since it is larger than the sum of its proper divisors (32709150951).

54515251545 is a wasteful number, since it uses less digits than its factorization.

54515251545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3634350111.

The product of its digits is 500000, while the sum is 42.

Adding to 54515251545 its product of digits (500000), we get a palindrome (54515751545).

The spelling of 54515251545 in words is "fifty-four billion, five hundred fifteen million, two hundred fifty-one thousand, five hundred forty-five".