57849870 has 128 divisors (see below), whose sum is σ = 162408960. Its totient is φ = 13063680.

The previous prime is 57849821. The next prime is 57849917. The reversal of 57849870 is 7894875.

57849870 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 274065 + ... + 274275.

It is an arithmetic number, because the mean of its divisors is an integer number (1268820).

Almost surely, 2^57849870 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 57849870, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81204480).

57849870 is an abundant number, since it is smaller than the sum of its proper divisors (104559090).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

57849870 is a wasteful number, since it uses less digits than its factorization.

57849870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290.

The product of its (nonzero) digits is 564480, while the sum is 48.

The square root of 57849870 is about 7605.9102019416. The cubic root of 57849870 is about 386.7533900141.

The spelling of 57849870 in words is "fifty-seven million, eight hundred forty-nine thousand, eight hundred seventy".