54621400412645 has 16 divisors (see below), whose sum is σ = 75710518648128. Its totient is φ = 37387910442240.

The previous prime is 54621400412639. The next prime is 54621400412731.

54621400412645 is nontrivially palindromic in base 10.

54621400412645 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 54621400412645 - 2²² = 54621396218341 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 54621400412596 and 54621400412605.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29209304099 + ... + 29209305968.

It is an arithmetic number, because the mean of its divisors is an integer number (4731907415508).

Almost surely, 2^{54621400412645} is an apocalyptic number.

54621400412645 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

54621400412645 is a deficient number, since it is larger than the sum of its proper divisors (21089118235483).

54621400412645 is a wasteful number, since it uses less digits than its factorization.

54621400412645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58418610100.

The product of its (nonzero) digits is 921600, while the sum is 44.

The spelling of 54621400412645 in words is "fifty-four trillion, six hundred twenty-one billion, four hundred million, four hundred twelve thousand, six hundred forty-five".