54256345055545 has 8 divisors (see below), whose sum is σ = 65107697459400. Its totient is φ = 43405020449280.

The previous prime is 54256345055531. The next prime is 54256345055551. The reversal of 54256345055545 is 54555054365245.

It can be written as a sum of positive squares in 4 ways, for example, as 3644048105721 + 50612296949824 = 1908939^2 + 7114232^2 .

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

It is not a de Polignac number, because 54256345055545 - 2¹⁵ = 54256345022777 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 54256345055545.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2382520 + ... + 10685929.

It is an arithmetic number, because the mean of its divisors is an integer number (8138462182425).

Almost surely, 2^{54256345055545} is an apocalyptic number.

It is an amenable number.

54256345055545 is a deficient number, since it is larger than the sum of its proper divisors (10851352403855).

54256345055545 is a wasteful number, since it uses less digits than its factorization.

54256345055545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13898795.

The product of its (nonzero) digits is 180000000, while the sum is 58.

The spelling of 54256345055545 in words is "fifty-four trillion, two hundred fifty-six billion, three hundred forty-five million, fifty-five thousand, five hundred forty-five".