54471856937889 has 32 divisors (see below), whose sum is σ = 73239522969600. Its totient is φ = 36010682611200.

The previous prime is 54471856937887. The next prime is 54471856937899. The reversal of 54471856937889 is 98873965817445.

It is not a de Polignac number, because 54471856937889 - 2¹ = 54471856937887 is a prime.

It is not an unprimeable number, because it can be changed into a prime (54471856937887) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 600877564 + ... + 600968210.

It is an arithmetic number, because the mean of its divisors is an integer number (2288735092800).

Almost surely, 2^{54471856937889} is an apocalyptic number.

It is an amenable number.

54471856937889 is a deficient number, since it is larger than the sum of its proper divisors (18767666031711).

54471856937889 is a wasteful number, since it uses less digits than its factorization.

54471856937889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94221.

The product of its digits is 14631321600, while the sum is 84.

The spelling of 54471856937889 in words is "fifty-four trillion, four hundred seventy-one billion, eight hundred fifty-six million, nine hundred thirty-seven thousand, eight hundred eighty-nine".