54494228978 has 18 divisors (see below), whose sum is σ = 95090901453. Its totient is φ = 23353679160.

The previous prime is 54494228953. The next prime is 54494228981. The reversal of 54494228978 is 87982249445.

It can be written as a sum of positive squares in 2 ways, for example, as 51536718289 + 2957510689 = 227017^2 + 54383^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=165067.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 54494228978.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 2299148 + ... + 2322728.

Almost surely, 2^54494228978 is an apocalyptic number.

54494228978 is a deficient number, since it is larger than the sum of its proper divisors (40596672475).

54494228978 is an frugal number, since it uses more digits than its factorization.

54494228978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47178 (or 23590 counting only the distinct ones).

The product of its digits is 46448640, while the sum is 62.

The spelling of 54494228978 in words is "fifty-four billion, four hundred ninety-four million, two hundred twenty-eight thousand, nine hundred seventy-eight".