57458861 has 8 divisors (see below), whose sum is σ = 61871040. Its totient is φ = 53161408.

The previous prime is 57458851. The next prime is 57458873. The reversal of 57458861 is 16885475.

It is a happy number.

57458861 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-57458861 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57458851) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 27641 + ... + 29646.

It is an arithmetic number, because the mean of its divisors is an integer number (7733880).

Almost surely, 2^57458861 is an apocalyptic number.

It is an amenable number.

57458861 is a deficient number, since it is larger than the sum of its proper divisors (4412179).

57458861 is a wasteful number, since it uses less digits than its factorization.

57458861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57363.

The product of its digits is 268800, while the sum is 44.

The square root of 57458861 is about 7580.1623333541. The cubic root of 57458861 is about 385.8800601879.

The spelling of 57458861 in words is "fifty-seven million, four hundred fifty-eight thousand, eight hundred sixty-one".