54531533513545 has 16 divisors (see below), whose sum is σ = 71931671697600. Its totient is φ = 39356554369600.

The previous prime is 54531533513543. The next prime is 54531533513593.

54531533513545 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 54531533513545 - 2¹ = 54531533513543 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 54531533513492 and 54531533513501.

It is not an unprimeable number, because it can be changed into a prime (54531533513543) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3784276870 + ... + 3784291279.

It is an arithmetic number, because the mean of its divisors is an integer number (4495729481100).

Almost surely, 2^{54531533513545} is an apocalyptic number.

54531533513545 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

54531533513545 is a deficient number, since it is larger than the sum of its proper divisors (17400138184055).

54531533513545 is a wasteful number, since it uses less digits than its factorization.

54531533513545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7568568296.

The product of its digits is 20250000, while the sum is 52.

It can be divided in two parts, 5453153 and 3513545, that added together give a palindrome (8966698).

The spelling of 54531533513545 in words is "fifty-four trillion, five hundred thirty-one billion, five hundred thirty-three million, five hundred thirteen thousand, five hundred forty-five".