57842279 has 8 divisors (see below), whose sum is σ = 66812688. Its totient is φ = 49490560.

The previous prime is 57842273. The next prime is 57842297. The reversal of 57842279 is 97224875.

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

It is a cyclic number.

It is not a de Polignac number, because 57842279 - 2¹⁶ = 57776743 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 (57842273) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 154472 + ... + 154845.

It is an arithmetic number, because the mean of its divisors is an integer number (8351586).

Almost surely, 2^57842279 is an apocalyptic number.

57842279 is a deficient number, since it is larger than the sum of its proper divisors (8970409).

57842279 is a wasteful number, since it uses less digits than its factorization.

57842279 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 309345.

The product of its digits is 282240, while the sum is 44.

The square root of 57842279 is about 7605.4111657425. The cubic root of 57842279 is about 386.7364728144.

The spelling of 57842279 in words is "fifty-seven million, eight hundred forty-two thousand, two hundred seventy-nine".