57145708732 has 48 divisors (see below), whose sum is σ = 114803619840. Its totient is φ = 24381487872.

The previous prime is 57145708723. The next prime is 57145708733. The reversal of 57145708732 is 23780754175.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57145708733) 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 15 ways as a sum of consecutive naturals, for example, 6780273 + ... + 6788695.

It is an arithmetic number, because the mean of its divisors is an integer number (2391742080).

Almost surely, 2^57145708732 is an apocalyptic number.

It is an amenable number.

57145708732 is an abundant number, since it is smaller than the sum of its proper divisors (57657911108).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

57145708732 is a wasteful number, since it uses less digits than its factorization.

57145708732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9490 (or 9488 counting only the distinct ones).

The product of its (nonzero) digits is 1646400, while the sum is 49.

The spelling of 57145708732 in words is "fifty-seven billion, one hundred forty-five million, seven hundred eight thousand, seven hundred thirty-two".