57543842651 has 2 divisors, whose sum is σ = 57543842652. Its totient is φ = 57543842650.

The previous prime is 57543842617. The next prime is 57543842677. The reversal of 57543842651 is 15624834575.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-57543842651 is a prime.

It is a super-2 number, since 2×57543842651² (a number of 22 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 57543842651.

It is not a weakly prime, because it can be changed into another prime (57543842611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28771921325 + 28771921326.

It is an arithmetic number, because the mean of its divisors is an integer number (28771921326).

Almost surely, 2^57543842651 is an apocalyptic number.

57543842651 is a deficient number, since it is larger than the sum of its proper divisors (1).

57543842651 is an equidigital number, since it uses as much as digits as its factorization.

57543842651 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4032000, while the sum is 50.

The spelling of 57543842651 in words is "fifty-seven billion, five hundred forty-three million, eight hundred forty-two thousand, six hundred fifty-one".