54477999977445 has 48 divisors (see below), whose sum is σ = 103024140148800. Its totient is φ = 26410705301760.

The previous prime is 54477999977393. The next prime is 54477999977461.

54477999977445 is a `hidden beast` number, since 5 + 4 + 4 + 7 + 7 + 9 + 9 + 99 + 77 + 445 = 666.

54477999977445 is nontrivially palindromic in base 10.

54477999977445 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 54477999977445 - 2¹² = 54477999973349 is a prime.

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 47 ways as a sum of consecutive naturals, for example, 1417035 + ... + 10533944.

It is an arithmetic number, because the mean of its divisors is an integer number (2146336253100).

Almost surely, 2^{54477999977445} is an apocalyptic number.

54477999977445 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

54477999977445 is a deficient number, since it is larger than the sum of its proper divisors (48546140171355).

54477999977445 is a wasteful number, since it uses less digits than its factorization.

54477999977445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11960210 (or 11960207 counting only the distinct ones).

The product of its digits is 100818950400, while the sum is 90.

The spelling of 54477999977445 in words is "fifty-four trillion, four hundred seventy-seven billion, nine hundred ninety-nine million, nine hundred seventy-seven thousand, four hundred forty-five".