57507729616 has 40 divisors (see below), whose sum is σ = 112632683904. Its totient is φ = 28441875840.

The previous prime is 57507729607. The next prime is 57507729661. The reversal of 57507729616 is 61692770575.

It is a Smith number, since the sum of its digits (55) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1442106 + ... + 1481446.

Almost surely, 2^57507729616 is an apocalyptic number.

It is an amenable number.

57507729616 is a deficient number, since it is larger than the sum of its proper divisors (55124954288).

57507729616 is a wasteful number, since it uses less digits than its factorization.

57507729616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40339 (or 40333 counting only the distinct ones).

The product of its (nonzero) digits is 5556600, while the sum is 55.

The spelling of 57507729616 in words is "fifty-seven billion, five hundred seven million, seven hundred twenty-nine thousand, six hundred sixteen".