57355717686 has 16 divisors (see below), whose sum is σ = 115587096768. Its totient is φ = 18972629000.

The previous prime is 57355717673. The next prime is 57355717717. The reversal of 57355717686 is 68671755375.

It is a happy number.

It is a super-4 number, since 4×57355717686⁴ (a number of 44 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 36485040 + ... + 36486611.

It is an arithmetic number, because the mean of its divisors is an integer number (7224193548).

Almost surely, 2^57355717686 is an apocalyptic number.

57355717686 is an abundant number, since it is smaller than the sum of its proper divisors (58231379082).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

57355717686 is a wasteful number, since it uses less digits than its factorization.

57355717686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72971787.

The product of its digits is 37044000, while the sum is 60.

The spelling of 57355717686 in words is "fifty-seven billion, three hundred fifty-five million, seven hundred seventeen thousand, six hundred eighty-six".