54551433415545 has 128 divisors (see below), whose sum is σ = 108666396218880. Its totient is φ = 25731896279040.

The previous prime is 54551433415537. The next prime is 54551433415547.

54551433415545 is a `hidden beast` number, since 5 + 4 + 5 + 5 + 1 + 43 + 3 + 41 + 554 + 5 = 666.

54551433415545 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 54551433415545 - 2³ = 54551433415537 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 54551433415491 and 54551433415500.

It is not an unprimeable number, because it can be changed into a prime (54551433415547) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 664628629 + ... + 664710701.

It is an arithmetic number, because the mean of its divisors is an integer number (848956220460).

Almost surely, 2^{54551433415545} is an apocalyptic number.

54551433415545 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

54551433415545 is a deficient number, since it is larger than the sum of its proper divisors (54114962803335).

54551433415545 is a wasteful number, since it uses less digits than its factorization.

54551433415545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94232 (or 94226 counting only the distinct ones).

The product of its digits is 36000000, while the sum is 54.

The spelling of 54551433415545 in words is "fifty-four trillion, five hundred fifty-one billion, four hundred thirty-three million, four hundred fifteen thousand, five hundred forty-five".