57715842 has 8 divisors (see below), whose sum is σ = 115431696. Its totient is φ = 19238612.

The previous prime is 57715841. The next prime is 57715843. The reversal of 57715842 is 24851775.

It is an interprime number because it is at equal distance from previous prime (57715841) and next prime (57715843).

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

57715842 is an admirable number.

It is a super-2 number, since 2×57715842² = 6662236835537928, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 57715842.

It is not an unprimeable number, because it can be changed into a prime (57715841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4809648 + ... + 4809659.

It is an arithmetic number, because the mean of its divisors is an integer number (14428962).

Almost surely, 2^57715842 is an apocalyptic number.

57715842 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

57715842 is a wasteful number, since it uses less digits than its factorization.

57715842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9619312.

The product of its digits is 78400, while the sum is 39.

The square root of 57715842 is about 7597.0943129594. The cubic root of 57715842 is about 386.4544791353.

The spelling of 57715842 in words is "fifty-seven million, seven hundred fifteen thousand, eight hundred forty-two".