57842641 has 4 divisors (see below), whose sum is σ = 58706032. Its totient is φ = 56979252.

The previous prime is 57842639. The next prime is 57842647. The reversal of 57842641 is 14624875.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 57842641 - 2¹ = 57842639 is a prime.

It is a super-2 number, since 2×57842641² = 6691542235709762, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 57842641.

It is not an unprimeable number, because it can be changed into a prime (57842647) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 431595 + ... + 431728.

It is an arithmetic number, because the mean of its divisors is an integer number (14676508).

Almost surely, 2^57842641 is an apocalyptic number.

It is an amenable number.

57842641 is a deficient number, since it is larger than the sum of its proper divisors (863391).

57842641 is an equidigital number, since it uses as much as digits as its factorization.

57842641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 863390.

The product of its digits is 53760, while the sum is 37.

The square root of 57842641 is about 7605.4349645500. The cubic root of 57842641 is about 386.7372795963.

The spelling of 57842641 in words is "fifty-seven million, eight hundred forty-two thousand, six hundred forty-one".