57428606291 has 16 divisors (see below), whose sum is σ = 65752069824. Its totient is φ = 49135071744.

The previous prime is 57428606267. The next prime is 57428606293. The reversal of 57428606291 is 19260682475.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-57428606291 is a prime.

It is not an unprimeable number, because it can be changed into a prime (57428606293) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17630735 + ... + 17633991.

It is an arithmetic number, because the mean of its divisors is an integer number (4109504364).

Almost surely, 2^57428606291 is an apocalyptic number.

57428606291 is a deficient number, since it is larger than the sum of its proper divisors (8323463533).

57428606291 is a wasteful number, since it uses less digits than its factorization.

57428606291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7070.

The product of its (nonzero) digits is 1451520, while the sum is 50.

The spelling of 57428606291 in words is "fifty-seven billion, four hundred twenty-eight million, six hundred six thousand, two hundred ninety-one".