54999999971 has 6 divisors (see below), whose sum is σ = 63979591860. Its totient is φ = 47142857076.

The previous prime is 54999999953. The next prime is 55000000001. The reversal of 54999999971 is 17999999945.

54999999971 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 54999999971 - 2³⁴ = 37820130787 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54999999911) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 561224441 + ... + 561224538.

It is an arithmetic number, because the mean of its divisors is an integer number (10663265310).

Almost surely, 2^54999999971 is an apocalyptic number.

54999999971 is a deficient number, since it is larger than the sum of its proper divisors (8979591889).

54999999971 is a wasteful number, since it uses less digits than its factorization.

54999999971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1122448993 (or 1122448986 counting only the distinct ones).

The product of its digits is 669615660, while the sum is 80.

The spelling of 54999999971 in words is "fifty-four billion, nine hundred ninety-nine million, nine hundred ninety-nine thousand, nine hundred seventy-one".