57147764565 has 16 divisors (see below), whose sum is σ = 91447948800. Its totient is φ = 30474965952.

The previous prime is 57147764563. The next prime is 57147764573. The reversal of 57147764565 is 56546774175.

It is not a de Polignac number, because 57147764565 - 2¹ = 57147764563 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57147764563) 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, 115045 + ... + 357114.

It is an arithmetic number, because the mean of its divisors is an integer number (5715496800).

Almost surely, 2^57147764565 is an apocalyptic number.

It is an amenable number.

57147764565 is a deficient number, since it is larger than the sum of its proper divisors (34300184235).

57147764565 is a wasteful number, since it uses less digits than its factorization.

57147764565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 480236.

The product of its digits is 24696000, while the sum is 57.

The spelling of 57147764565 in words is "fifty-seven billion, one hundred forty-seven million, seven hundred sixty-four thousand, five hundred sixty-five".