57232345146621 has 4 divisors (see below), whose sum is σ = 76309793528832. Its totient is φ = 38154896764412.

The previous prime is 57232345146617. The next prime is 57232345146643. The reversal of 57232345146621 is 12664154323275.

57232345146621 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 57232345146621 - 2² = 57232345146617 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57232345146121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9538724191101 + ... + 9538724191106.

It is an arithmetic number, because the mean of its divisors is an integer number (19077448382208).

Almost surely, 2^{57232345146621} is an apocalyptic number.

It is an amenable number.

57232345146621 is a deficient number, since it is larger than the sum of its proper divisors (19077448382211).

57232345146621 is a wasteful number, since it uses less digits than its factorization.

57232345146621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19077448382210.

The product of its digits is 7257600, while the sum is 51.

Adding to 57232345146621 its reverse (12664154323275), we get a palindrome (69896499469896).

The spelling of 57232345146621 in words is "fifty-seven trillion, two hundred thirty-two billion, three hundred forty-five million, one hundred forty-six thousand, six hundred twenty-one".