57056116231640 has 64 divisors (see below), whose sum is σ = 132528871906560. Its totient is φ = 22084331765760.

The previous prime is 57056116231633. The next prime is 57056116231649. The reversal of 57056116231640 is 4613261165075.

It is a happy number.

57056116231640 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57056116231649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12424664 + ... + 16385496.

It is an arithmetic number, because the mean of its divisors is an integer number (2070763623540).

Almost surely, 2^{57056116231640} is an apocalyptic number.

It is an amenable number.

57056116231640 is an abundant number, since it is smaller than the sum of its proper divisors (75472755674920).

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

57056116231640 is a wasteful number, since it uses less digits than its factorization.

57056116231640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3972492 (or 3972488 counting only the distinct ones).

The product of its (nonzero) digits is 907200, while the sum is 47.

The spelling of 57056116231640 in words is "fifty-seven trillion, fifty-six billion, one hundred sixteen million, two hundred thirty-one thousand, six hundred forty".