54784857 has 8 divisors (see below), whose sum is σ = 75565440. Its totient is φ = 35263760.

The previous prime is 54784853. The next prime is 54784859. The reversal of 54784857 is 75848745.

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 54784857 - 2² = 54784853 is a prime.

It is not an unprimeable number, because it can be changed into a prime (54784853) 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, 314769 + ... + 314942.

It is an arithmetic number, because the mean of its divisors is an integer number (9445680).

Almost surely, 2^54784857 is an apocalyptic number.

It is an amenable number.

54784857 is a deficient number, since it is larger than the sum of its proper divisors (20780583).

54784857 is a wasteful number, since it uses less digits than its factorization.

54784857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 629743.

The product of its digits is 1254400, while the sum is 48.

The square root of 54784857 is about 7401.6793364749. The cubic root of 54784857 is about 379.7987322905.

The spelling of 54784857 in words is "fifty-four million, seven hundred eighty-four thousand, eight hundred fifty-seven".