54519400491545 has 16 divisors (see below), whose sum is σ = 71418085845120. Its totient is φ = 39624231811200.

The previous prime is 54519400491449. The next prime is 54519400491553.

54519400491545 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 54519400491545 - 2¹⁰ = 54519400490521 is a prime.

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, 327932060 + ... + 328098269.

It is an arithmetic number, because the mean of its divisors is an integer number (4463630365320).

Almost surely, 2^{54519400491545} is an apocalyptic number.

54519400491545 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

54519400491545 is a deficient number, since it is larger than the sum of its proper divisors (16898685353575).

54519400491545 is a wasteful number, since it uses less digits than its factorization.

54519400491545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 656031856.

The product of its (nonzero) digits is 12960000, while the sum is 56.

The spelling of 54519400491545 in words is "fifty-four trillion, five hundred nineteen billion, four hundred million, four hundred ninety-one thousand, five hundred forty-five".