54465405891 has 8 divisors (see below), whose sum is σ = 78206736720. Its totient is φ = 33517172832.

The previous prime is 54465405809. The next prime is 54465405941. The reversal of 54465405891 is 19850456445.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 54465405891 - 2¹³ = 54465397699 is a prime.

It is not an unprimeable number, because it can be changed into a prime (54465405191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 698274396 + ... + 698274473.

It is an arithmetic number, because the mean of its divisors is an integer number (9775842090).

Almost surely, 2^54465405891 is an apocalyptic number.

54465405891 is a deficient number, since it is larger than the sum of its proper divisors (23741330829).

54465405891 is a wasteful number, since it uses less digits than its factorization.

54465405891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1396548885.

The product of its (nonzero) digits is 3456000, while the sum is 51.

The spelling of 54465405891 in words is "fifty-four billion, four hundred sixty-five million, four hundred five thousand, eight hundred ninety-one".