57554780642 has 6 divisors (see below), whose sum is σ = 86332679883. Its totient is φ = 28777220682.

The previous prime is 57554780629. The next prime is 57554780711. The reversal of 57554780642 is 24608745575.

It can be written as a sum of positive squares in only one way, i.e., 28777390321 + 28777390321 = 169639^2 + 169639^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=169639.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 254459 + ... + 424097.

Almost surely, 2^57554780642 is an apocalyptic number.

57554780642 is a deficient number, since it is larger than the sum of its proper divisors (28777899241).

57554780642 is an frugal number, since it uses more digits than its factorization.

57554780642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 339280 (or 169641 counting only the distinct ones).

The product of its (nonzero) digits is 9408000, while the sum is 53.

The spelling of 57554780642 in words is "fifty-seven billion, five hundred fifty-four million, seven hundred eighty thousand, six hundred forty-two".