54858728465 has 16 divisors (see below), whose sum is σ = 66063930240. Its totient is φ = 43731601920.

The previous prime is 54858728453. The next prime is 54858728467. The reversal of 54858728465 is 56482785845.

It is a de Polignac number, because none of the positive numbers 2^k-54858728465 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 54858728398 and 54858728407.

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 15 ways as a sum of consecutive naturals, for example, 1764737 + ... + 1795553.

It is an arithmetic number, because the mean of its divisors is an integer number (4128995640).

Almost surely, 2^54858728465 is an apocalyptic number.

It is an amenable number.

54858728465 is a deficient number, since it is larger than the sum of its proper divisors (11205201775).

54858728465 is a wasteful number, since it uses less digits than its factorization.

54858728465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32072.

The product of its digits is 86016000, while the sum is 62.

The spelling of 54858728465 in words is "fifty-four billion, eight hundred fifty-eight million, seven hundred twenty-eight thousand, four hundred sixty-five".