57501966628243 has 2 divisors, whose sum is σ = 57501966628244. Its totient is φ = 57501966628242.

The previous prime is 57501966628217. The next prime is 57501966628273. The reversal of 57501966628243 is 34282666910575.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-57501966628243 is a prime.

It is a super-2 number, since 2×57501966628243² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (57501966628273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28750983314121 + 28750983314122.

It is an arithmetic number, because the mean of its divisors is an integer number (28750983314122).

It is a 1-persistent number, because it is pandigital, but 2⋅57501966628243 = 115003933256486 is not.

Almost surely, 2^{57501966628243} is an apocalyptic number.

57501966628243 is a deficient number, since it is larger than the sum of its proper divisors (1).

57501966628243 is an equidigital number, since it uses as much as digits as its factorization.

57501966628243 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 130636800, while the sum is 64.

The spelling of 57501966628243 in words is "fifty-seven trillion, five hundred one billion, nine hundred sixty-six million, six hundred twenty-eight thousand, two hundred forty-three".