54645444454645 has 16 divisors (see below), whose sum is σ = 71682745465728. Its totient is φ = 39660535362240.

The previous prime is 54645444454639. The next prime is 54645444454663.

54645444454645 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 54645444454645 - 2³ = 54645444454637 is a prime.

It is a super-3 number, since 3×54645444454645³ (a number of 42 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1020048714 + ... + 1020102283.

It is an arithmetic number, because the mean of its divisors is an integer number (4480171591608).

Almost surely, 2^{54645444454645} is an apocalyptic number.

54645444454645 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

54645444454645 is a deficient number, since it is larger than the sum of its proper divisors (17037301011083).

54645444454645 is a wasteful number, since it uses less digits than its factorization.

54645444454645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2040151500.

The product of its digits is 1474560000, while the sum is 64.

The spelling of 54645444454645 in words is "fifty-four trillion, six hundred forty-five billion, four hundred forty-four million, four hundred fifty-four thousand, six hundred forty-five".