54543477434545 has 48 divisors (see below), whose sum is σ = 72137362812480. Its totient is φ = 39263774240000.

The previous prime is 54543477434543. The next prime is 54543477434573.

54543477434545 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 54543477434545 - 2¹ = 54543477434543 is a prime.

It is a super-2 number, since 2×54543477434545² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (54543477434543) 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, 2238036210 + ... + 2238060580.

It is an arithmetic number, because the mean of its divisors is an integer number (1502861725260).

Almost surely, 2^{54543477434545} is an apocalyptic number.

54543477434545 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

54543477434545 is a deficient number, since it is larger than the sum of its proper divisors (17593885377935).

54543477434545 is a wasteful number, since it uses less digits than its factorization.

54543477434545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28578 (or 28477 counting only the distinct ones).

The product of its digits is 1128960000, while the sum is 64.

The spelling of 54543477434545 in words is "fifty-four trillion, five hundred forty-three billion, four hundred seventy-seven million, four hundred thirty-four thousand, five hundred forty-five".