57154717149547 has 2 divisors, whose sum is σ = 57154717149548. Its totient is φ = 57154717149546.

The previous prime is 57154717149527. The next prime is 57154717149577. The reversal of 57154717149547 is 74594171745175.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-57154717149547 is a prime.

It is not a weakly prime, because it can be changed into another prime (57154717149527) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28577358574773 + 28577358574774.

It is an arithmetic number, because the mean of its divisors is an integer number (28577358574774).

Almost surely, 2^{57154717149547} is an apocalyptic number.

57154717149547 is a deficient number, since it is larger than the sum of its proper divisors (1).

57154717149547 is an equidigital number, since it uses as much as digits as its factorization.

57154717149547 is an evil number, because the sum of its binary digits is even.

The product of its digits is 172872000, while the sum is 67.

The spelling of 57154717149547 in words is "fifty-seven trillion, one hundred fifty-four billion, seven hundred seventeen million, one hundred forty-nine thousand, five hundred forty-seven".