54470320018 has 4 divisors (see below), whose sum is σ = 81705480030. Its totient is φ = 27235160008.

The previous prime is 54470319979. The next prime is 54470320127. The reversal of 54470320018 is 81002307445.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 54094851889 + 375468129 = 232583^2 + 19377^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13617580003 + ... + 13617580006.

Almost surely, 2^54470320018 is an apocalyptic number.

54470320018 is a deficient number, since it is larger than the sum of its proper divisors (27235160012).

54470320018 is a wasteful number, since it uses less digits than its factorization.

54470320018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27235160011.

The product of its (nonzero) digits is 26880, while the sum is 34.

The spelling of 54470320018 in words is "fifty-four billion, four hundred seventy million, three hundred twenty thousand, eighteen".