54555055055545 has 48 divisors (see below), whose sum is σ = 72618398513856. Its totient is φ = 39020112633600.

The previous prime is 54555055055537. The next prime is 54555055055549.

54555055055545 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 54555055055545 - 2³ = 54555055055537 is a prime.

It is a super-2 number, since 2×54555055055545² (a number of 28 digits) contains 22 as substring.

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 54555055055545.

It is not an unprimeable number, because it can be changed into a prime (54555055055549) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1727886379 + ... + 1727917951.

It is an arithmetic number, because the mean of its divisors is an integer number (1512883302372).

Almost surely, 2^{54555055055545} is an apocalyptic number.

54555055055545 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

54555055055545 is a deficient number, since it is larger than the sum of its proper divisors (18063343458311).

54555055055545 is a wasteful number, since it uses less digits than its factorization.

54555055055545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40154 (or 40093 counting only the distinct ones).

The product of its (nonzero) digits is 156250000, while the sum is 58.

The spelling of 54555055055545 in words is "fifty-four trillion, five hundred fifty-five billion, fifty-five million, fifty-five thousand, five hundred forty-five".