54405511550445 has 16 divisors (see below), whose sum is σ = 94962347433792. Its totient is φ = 26378429842560.

The previous prime is 54405511550419. The next prime is 54405511550447.

54405511550445 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 54405511550445 - 2⁷ = 54405511550317 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 54405511550394 and 54405511550403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54405511550447) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 164865186352 + ... + 164865186681.

It is an arithmetic number, because the mean of its divisors is an integer number (5935146714612).

Almost surely, 2^{54405511550445} is an apocalyptic number.

54405511550445 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

54405511550445 is a deficient number, since it is larger than the sum of its proper divisors (40556835883347).

54405511550445 is a wasteful number, since it uses less digits than its factorization.

54405511550445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 329730373052.

The product of its (nonzero) digits is 4000000, while the sum is 48.

It can be divided in two parts, 5440551 and 1550445, that added together give a palindrome (6990996).

The spelling of 54405511550445 in words is "fifty-four trillion, four hundred five billion, five hundred eleven million, five hundred fifty thousand, four hundred forty-five".