54858728464 has 20 divisors (see below), whose sum is σ = 107875188304. Its totient is φ = 27019970208.

The previous prime is 54858728453. The next prime is 54858728467. The reversal of 54858728464 is 46482785845.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (54858728467) 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, 25586022 + ... + 25588165.

Almost surely, 2^54858728464 is an apocalyptic number.

It is an amenable number.

54858728464 is a deficient number, since it is larger than the sum of its proper divisors (53016459840).

54858728464 is a wasteful number, since it uses less digits than its factorization.

54858728464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51174262 (or 51174256 counting only the distinct ones).

The product of its digits is 68812800, while the sum is 61.

It can be divided in two parts, 5485872 and 8464, that added together give a square (5494336 = 2344²).

The spelling of 54858728464 in words is "fifty-four billion, eight hundred fifty-eight million, seven hundred twenty-eight thousand, four hundred sixty-four".