54657318458 has 4 divisors (see below), whose sum is σ = 81985977690. Its totient is φ = 27328659228.

The previous prime is 54657318433. The next prime is 54657318497. The reversal of 54657318458 is 85481375645.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 54553543489 + 103774969 = 233567^2 + 10187^2 .

It is a super-2 number, since 2×54657318458² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13664329613 + ... + 13664329616.

Almost surely, 2^54657318458 is an apocalyptic number.

54657318458 is a deficient number, since it is larger than the sum of its proper divisors (27328659232).

54657318458 is a wasteful number, since it uses less digits than its factorization.

54657318458 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27328659231.

The product of its digits is 16128000, while the sum is 56.

The spelling of 54657318458 in words is "fifty-four billion, six hundred fifty-seven million, three hundred eighteen thousand, four hundred fifty-eight".