57550859 has 2 divisors, whose sum is σ = 57550860. Its totient is φ = 57550858.

The previous prime is 57550847. The next prime is 57550891. The reversal of 57550859 is 95805575.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-57550859 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (57550459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28775429 + 28775430.

It is an arithmetic number, because the mean of its divisors is an integer number (28775430).

Almost surely, 2^57550859 is an apocalyptic number.

57550859 is a deficient number, since it is larger than the sum of its proper divisors (1).

57550859 is an equidigital number, since it uses as much as digits as its factorization.

57550859 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 315000, while the sum is 44.

The square root of 57550859 is about 7586.2282459731. The cubic root of 57550859 is about 386.0858959424.

The spelling of 57550859 in words is "fifty-seven million, five hundred fifty thousand, eight hundred fifty-nine".