54540525553 has 4 divisors (see below), whose sum is σ = 57748791780. Its totient is φ = 51332259328.

The previous prime is 54540525541. The next prime is 54540525593. The reversal of 54540525553 is 35552504545.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 35552504545 = 5 ⋅7110500909.

It can be written as a sum of positive squares in 2 ways, for example, as 49243160464 + 5297365089 = 221908^2 + 72783^2 .

It is a cyclic number.

It is not a de Polignac number, because 54540525553 - 2²¹ = 54538428401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54540525593) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1604133088 + ... + 1604133121.

It is an arithmetic number, because the mean of its divisors is an integer number (14437197945).

Almost surely, 2^54540525553 is an apocalyptic number.

It is an amenable number.

54540525553 is a deficient number, since it is larger than the sum of its proper divisors (3208266227).

54540525553 is a wasteful number, since it uses less digits than its factorization.

54540525553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3208266226.

The product of its (nonzero) digits is 1500000, while the sum is 43.

The spelling of 54540525553 in words is "fifty-four billion, five hundred forty million, five hundred twenty-five thousand, five hundred fifty-three".