57072053851 has 4 divisors (see below), whose sum is σ = 57075143632. Its totient is φ = 57068964072.

The previous prime is 57072053849. The next prime is 57072053879. The reversal of 57072053851 is 15835027075.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 57072053851 - 2¹ = 57072053849 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 57072053798 and 57072053807.

It is not an unprimeable number, because it can be changed into a prime (57072059851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1517016 + ... + 1554181.

It is an arithmetic number, because the mean of its divisors is an integer number (14268785908).

Almost surely, 2^57072053851 is an apocalyptic number.

57072053851 is a deficient number, since it is larger than the sum of its proper divisors (3089781).

57072053851 is a wasteful number, since it uses less digits than its factorization.

57072053851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3089780.

The product of its (nonzero) digits is 294000, while the sum is 43.

The spelling of 57072053851 in words is "fifty-seven billion, seventy-two million, fifty-three thousand, eight hundred fifty-one".