54638337968 has 20 divisors (see below), whose sum is σ = 105868923360. Its totient is φ = 27317325504.

The previous prime is 54638337967. The next prime is 54638337973. The reversal of 54638337968 is 86973383645.

It is a self number, because there is not a number n which added to its sum of digits gives 54638337968.

It is not an unprimeable number, because it can be changed into a prime (54638337967) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 147446 + ... + 361962.

It is an arithmetic number, because the mean of its divisors is an integer number (5293446168).

Almost surely, 2^54638337968 is an apocalyptic number.

It is an amenable number.

54638337968 is a deficient number, since it is larger than the sum of its proper divisors (51230585392).

54638337968 is a wasteful number, since it uses less digits than its factorization.

54638337968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230444 (or 230438 counting only the distinct ones).

The product of its digits is 78382080, while the sum is 62.

The spelling of 54638337968 in words is "fifty-four billion, six hundred thirty-eight million, three hundred thirty-seven thousand, nine hundred sixty-eight".