57641797 has 4 divisors (see below), whose sum is σ = 58371520. Its totient is φ = 56912076.

The previous prime is 57641789. The next prime is 57641813. The reversal of 57641797 is 79714675.

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 57641797 - 2³ = 57641789 is a prime.

It is a super-2 number, since 2×57641797² = 6645153522778418, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57641737) 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, 364743 + ... + 364900.

It is an arithmetic number, because the mean of its divisors is an integer number (14592880).

Almost surely, 2^57641797 is an apocalyptic number.

It is an amenable number.

57641797 is a deficient number, since it is larger than the sum of its proper divisors (729723).

57641797 is an equidigital number, since it uses as much as digits as its factorization.

57641797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 729722.

The product of its digits is 370440, while the sum is 46.

The square root of 57641797 is about 7592.2195042030. The cubic root of 57641797 is about 386.2891445894.

The spelling of 57641797 in words is "fifty-seven million, six hundred forty-one thousand, seven hundred ninety-seven".