54555544555545 has 64 divisors (see below), whose sum is σ = 97449492400128. Its totient is φ = 25833178560000.

The previous prime is 54555544555531. The next prime is 54555544555553.

54555544555545 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 54555544555545 - 2⁸ = 54555544555289 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 64577620 + ... + 65416970.

It is an arithmetic number, because the mean of its divisors is an integer number (1522648318752).

Almost surely, 2^{54555544555545} is an apocalyptic number.

54555544555545 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

54555544555545 is a deficient number, since it is larger than the sum of its proper divisors (42893947844583).

54555544555545 is a wasteful number, since it uses less digits than its factorization.

54555544555545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 848574.

The product of its digits is 2500000000, while the sum is 66.

The spelling of 54555544555545 in words is "fifty-four trillion, five hundred fifty-five billion, five hundred forty-four million, five hundred fifty-five thousand, five hundred forty-five".