54627857 has 4 divisors (see below), whose sum is σ = 55129140. Its totient is φ = 54126576.

The previous prime is 54627841. The next prime is 54627883. The reversal of 54627857 is 75872645.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 75872645 = 5 ⋅15174529.

It can be written as a sum of positive squares in 2 ways, for example, as 17673616 + 36954241 = 4204^2 + 6079^2 .

It is a cyclic number.

It is not a de Polignac number, because 54627857 - 2⁴ = 54627841 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54627257) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 250478 + ... + 250695.

It is an arithmetic number, because the mean of its divisors is an integer number (13782285).

Almost surely, 2^54627857 is an apocalyptic number.

It is an amenable number.

54627857 is a deficient number, since it is larger than the sum of its proper divisors (501283).

54627857 is a wasteful number, since it uses less digits than its factorization.

54627857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 501282.

The product of its digits is 470400, while the sum is 44.

The square root of 54627857 is about 7391.0660259532. The cubic root of 54627857 is about 379.4355817459.

The spelling of 54627857 in words is "fifty-four million, six hundred twenty-seven thousand, eight hundred fifty-seven".