57201643520453 has 4 divisors (see below), whose sum is σ = 57201741195360. Its totient is φ = 57201545845548.

The previous prime is 57201643520449. The next prime is 57201643520471. The reversal of 57201643520453 is 35402534610275.

It is a happy number.

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 57201643520453 - 2² = 57201643520449 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 57201643520398 and 57201643520407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57201643520053) 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, 47953673 + ... + 49132046.

It is an arithmetic number, because the mean of its divisors is an integer number (14300435298840).

Almost surely, 2^{57201643520453} is an apocalyptic number.

It is an amenable number.

57201643520453 is a deficient number, since it is larger than the sum of its proper divisors (97674907).

57201643520453 is an equidigital number, since it uses as much as digits as its factorization.

57201643520453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97674906.

The product of its (nonzero) digits is 3024000, while the sum is 47.

The spelling of 57201643520453 in words is "fifty-seven trillion, two hundred one billion, six hundred forty-three million, five hundred twenty thousand, four hundred fifty-three".