54979574257 has 8 divisors (see below), whose sum is σ = 58295671200. Its totient is φ = 51705720864.

The previous prime is 54979574249. The next prime is 54979574329. The reversal of 54979574257 is 75247597945.

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

It is a cyclic number.

It is not a de Polignac number, because 54979574257 - 2³ = 54979574249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54979674257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10558207 + ... + 10563412.

It is an arithmetic number, because the mean of its divisors is an integer number (7286958900).

Almost surely, 2^54979574257 is an apocalyptic number.

It is an amenable number.

54979574257 is a deficient number, since it is larger than the sum of its proper divisors (3316096943).

54979574257 is a wasteful number, since it uses less digits than its factorization.

54979574257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21121775.

The product of its digits is 111132000, while the sum is 64.

The spelling of 54979574257 in words is "fifty-four billion, nine hundred seventy-nine million, five hundred seventy-four thousand, two hundred fifty-seven".