57514591685 has 16 divisors (see below), whose sum is σ = 69288873456. Its totient is φ = 45830873088.

The previous prime is 57514591661. The next prime is 57514591711. The reversal of 57514591685 is 58619541575.

It is a Cunningham number, because it is equal to 239822²+1.

It can be written as a sum of positive squares in 8 ways, for example, as 1 + 57514591684 = 1^2 + 239822^2 .

It is a cyclic number.

It is not a de Polignac number, because 57514591685 - 2¹⁴ = 57514575301 is a prime.

It is a super-2 number, since 2×57514591685² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 57514591685.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6911147 + ... + 6919463.

It is an arithmetic number, because the mean of its divisors is an integer number (4330554591).

Almost surely, 2^57514591685 is an apocalyptic number.

It is an amenable number.

57514591685 is a deficient number, since it is larger than the sum of its proper divisors (11774281771).

57514591685 is a wasteful number, since it uses less digits than its factorization.

57514591685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13592.

The product of its digits is 7560000, while the sum is 56.

The spelling of 57514591685 in words is "fifty-seven billion, five hundred fourteen million, five hundred ninety-one thousand, six hundred eighty-five".