54420453780578 has 8 divisors (see below), whose sum is σ = 81630786797868. Its totient is φ = 27210191514624.

The previous prime is 54420453780533. The next prime is 54420453780607. The reversal of 54420453780578 is 87508735402445.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 54352325994409 + 68127786169 = 7372403^2 + 261013^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 54420453780578.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15721151 + ... + 18867842.

Almost surely, 2^{54420453780578} is an apocalyptic number.

54420453780578 is a deficient number, since it is larger than the sum of its proper divisors (27210333017290).

54420453780578 is a wasteful number, since it uses less digits than its factorization.

54420453780578 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35375668.

The product of its (nonzero) digits is 150528000, while the sum is 62.

The spelling of 54420453780578 in words is "fifty-four trillion, four hundred twenty billion, four hundred fifty-three million, seven hundred eighty thousand, five hundred seventy-eight".