57675226821 has 4 divisors (see below), whose sum is σ = 76900302432. Its totient is φ = 38450151212.

The previous prime is 57675226813. The next prime is 57675226837. The reversal of 57675226821 is 12862257675.

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 57675226821 - 2³ = 57675226813 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57675226801) 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, 9612537801 + ... + 9612537806.

It is an arithmetic number, because the mean of its divisors is an integer number (19225075608).

Almost surely, 2^57675226821 is an apocalyptic number.

It is an amenable number.

57675226821 is a deficient number, since it is larger than the sum of its proper divisors (19225075611).

57675226821 is a wasteful number, since it uses less digits than its factorization.

57675226821 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19225075610.

The product of its digits is 2822400, while the sum is 51.

The spelling of 57675226821 in words is "fifty-seven billion, six hundred seventy-five million, two hundred twenty-six thousand, eight hundred twenty-one".