57311648469 has 48 divisors (see below), whose sum is σ = 93506544000. Its totient is φ = 34622919936.

The previous prime is 57311648441. The next prime is 57311648483. The reversal of 57311648469 is 96484611375.

57311648469 is a `hidden beast` number, since 573 + 1 + 1 + 6 + 4 + 8 + 4 + 69 = 666.

It is not a de Polignac number, because 57311648469 - 2⁸ = 57311648213 is a prime.

It is a super-2 number, since 2×57311648469² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57311648869) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 96357 + ... + 352005.

It is an arithmetic number, because the mean of its divisors is an integer number (1948053000).

Almost surely, 2^57311648469 is an apocalyptic number.

It is an amenable number.

57311648469 is a deficient number, since it is larger than the sum of its proper divisors (36194895531).

57311648469 is a wasteful number, since it uses less digits than its factorization.

57311648469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255719 (or 255694 counting only the distinct ones).

The product of its digits is 4354560, while the sum is 54.

The spelling of 57311648469 in words is "fifty-seven billion, three hundred eleven million, six hundred forty-eight thousand, four hundred sixty-nine".