57576157649 has 2 divisors, whose sum is σ = 57576157650. Its totient is φ = 57576157648.

The previous prime is 57576157633. The next prime is 57576157687. The reversal of 57576157649 is 94675167575.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 56720185600 + 855972049 = 238160^2 + 29257^2 .

It is a cyclic number.

It is not a de Polignac number, because 57576157649 - 2⁴ = 57576157633 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 57576157591 and 57576157600.

It is not a weakly prime, because it can be changed into another prime (57576127649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28788078824 + 28788078825.

It is an arithmetic number, because the mean of its divisors is an integer number (28788078825).

Almost surely, 2^57576157649 is an apocalyptic number.

It is an amenable number.

57576157649 is a deficient number, since it is larger than the sum of its proper divisors (1).

57576157649 is an equidigital number, since it uses as much as digits as its factorization.

57576157649 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 55566000, while the sum is 62.

The spelling of 57576157649 in words is "fifty-seven billion, five hundred seventy-six million, one hundred fifty-seven thousand, six hundred forty-nine".