54657318457 has 8 divisors (see below), whose sum is σ = 62678702016. Its totient is φ = 46689233712.

The previous prime is 54657318433. The next prime is 54657318497. The reversal of 54657318457 is 75481375645.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54657318457 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 54657318398 and 54657318407.

It is not an unprimeable number, because it can be changed into a prime (54657318497) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13322503 + ... + 13326604.

It is an arithmetic number, because the mean of its divisors is an integer number (7834837752).

Almost surely, 2^54657318457 is an apocalyptic number.

It is an amenable number.

54657318457 is a deficient number, since it is larger than the sum of its proper divisors (8021383559).

54657318457 is a wasteful number, since it uses less digits than its factorization.

54657318457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26649407.

The product of its digits is 14112000, while the sum is 55.

The spelling of 54657318457 in words is "fifty-four billion, six hundred fifty-seven million, three hundred eighteen thousand, four hundred fifty-seven".