57661482529 has 4 divisors (see below), whose sum is σ = 65898837184. Its totient is φ = 49424127876.

The previous prime is 57661482523. The next prime is 57661482577. The reversal of 57661482529 is 92528416675.

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 57661482529 - 2¹³ = 57661474337 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 57661482529.

It is not an unprimeable number, because it can be changed into a prime (57661482523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4118677317 + ... + 4118677330.

It is an arithmetic number, because the mean of its divisors is an integer number (16474709296).

Almost surely, 2^57661482529 is an apocalyptic number.

It is an amenable number.

57661482529 is a deficient number, since it is larger than the sum of its proper divisors (8237354655).

57661482529 is an equidigital number, since it uses as much as digits as its factorization.

57661482529 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8237354654.

The product of its digits is 7257600, while the sum is 55.

The spelling of 57661482529 in words is "fifty-seven billion, six hundred sixty-one million, four hundred eighty-two thousand, five hundred twenty-nine".